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https://github.com/ZDoom/Raze.git
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1de9c63d45
This calculates the centered pivot point in integer texel coordinate space so for odd numbers it must round down instead of using a fractional position.
1612 lines
No EOL
42 KiB
C++
1612 lines
No EOL
42 KiB
C++
/*
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** v_draw.cpp
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** Draw patches and blocks to a canvas
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**
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**---------------------------------------------------------------------------
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** Copyright 1998-2008 Randy Heit
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#include <stdio.h>
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#include <stdarg.h>
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#include "v_draw.h"
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#include "vm.h"
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#include "texturemanager.h"
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#include "r_videoscale.h"
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#include "c_cvars.h"
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EXTERN_CVAR(Int, vid_aspect)
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EXTERN_CVAR(Int, uiscale)
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CVAR(Bool, ui_screenborder_classic_scaling, true, CVAR_ARCHIVE)
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// vid_allowtrueultrawide - preserve the classic behavior of stretching screen elements to 16:9 when false
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// Defaults to "true" now because "21:9" (actually actually 64:27) screens are becoming more common, it's
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// nonsense that graphics should not be able to actually use that extra screen space.
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extern bool setsizeneeded;
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CUSTOM_CVAR(Int, vid_allowtrueultrawide, 1, CVAR_ARCHIVE|CVAR_NOINITCALL)
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{
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setsizeneeded = true;
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}
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static void VirtualToRealCoords(F2DDrawer* drawer, double Width, double Height, double& x, double& y, double& w, double& h,
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double vwidth, double vheight, bool vbottom, bool handleaspect);
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// Helper for ActiveRatio and CheckRatio. Returns the forced ratio type, or -1 if none.
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int ActiveFakeRatio(int width, int height)
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{
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int fakeratio = -1;
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if ((vid_aspect >= 1) && (vid_aspect <= 6))
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{
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// [SP] User wants to force aspect ratio; let them.
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fakeratio = int(vid_aspect);
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if (fakeratio == 3)
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{
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fakeratio = 0;
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}
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else if (fakeratio == 5)
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{
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fakeratio = 3;
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}
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}
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return fakeratio;
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}
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// Active screen ratio based on cvars and size
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float ActiveRatio(int width, int height, float* trueratio)
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{
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static float forcedRatioTypes[] =
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{
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4 / 3.0f,
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16 / 9.0f,
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16 / 10.0f,
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17 / 10.0f,
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5 / 4.0f,
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17 / 10.0f,
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64 / 27.0f // 21:9 is actually 64:27 in reality - pow(4/3, 3.0) - https://en.wikipedia.org/wiki/21:9_aspect_ratio
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};
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float ratio = width / (float)height;
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int fakeratio = ActiveFakeRatio(width, height);
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if (trueratio)
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*trueratio = ratio;
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return (fakeratio != -1) ? forcedRatioTypes[fakeratio] : (ratio / ViewportPixelAspect());
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}
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bool AspectTallerThanWide(float aspect)
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{
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return aspect < 1.333f;
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}
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int AspectBaseWidth(float aspect)
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{
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return (int)round(240.0f * aspect * 3.0f);
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}
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int AspectBaseHeight(float aspect)
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{
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if (!AspectTallerThanWide(aspect))
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return (int)round(200.0f * (320.0f / (AspectBaseWidth(aspect) / 3.0f)) * 3.0f);
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else
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return (int)round((200.0f * (4.0f / 3.0f)) / aspect * 3.0f);
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}
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double AspectPspriteOffset(float aspect)
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{
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if (!AspectTallerThanWide(aspect))
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return 0.0;
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else
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return ((4.0 / 3.0) / aspect - 1.0) * 97.5;
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}
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int AspectMultiplier(float aspect)
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{
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if (!AspectTallerThanWide(aspect))
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return (int)round(320.0f / (AspectBaseWidth(aspect) / 3.0f) * 48.0f);
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else
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return (int)round(200.0f / (AspectBaseHeight(aspect) / 3.0f) * 48.0f);
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}
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int GetUIScale(F2DDrawer *drawer, int altval)
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{
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int scaleval;
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if (altval > 0) scaleval = altval;
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else if (uiscale == 0)
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{
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// Default should try to scale to 640x400
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int vscale = drawer->GetHeight() / 400;
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int hscale = drawer->GetWidth() / 640;
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scaleval = max(1, min(vscale, hscale));
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}
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else scaleval = uiscale;
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// block scales that result in something larger than the current screen.
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int vmax = drawer->GetHeight() / 200;
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int hmax = drawer->GetWidth() / 320;
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int max = std::max(vmax, hmax);
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return std::max(1,min(scaleval, max));
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}
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// The new console font is twice as high, so the scaling calculation must factor that in.
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int GetConScale(F2DDrawer* drawer, int altval)
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{
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int scaleval;
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if (altval > 0) scaleval = (altval+1) / 2;
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else if (uiscale == 0)
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{
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// Default should try to scale to 640x400
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int vscale = drawer->GetHeight() / 800;
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int hscale = drawer->GetWidth() / 1280;
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scaleval = max(1, min(vscale, hscale));
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}
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else scaleval = (uiscale+1) / 2;
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// block scales that result in something larger than the current screen.
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int vmax = drawer->GetHeight() / 400;
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int hmax = drawer->GetWidth() / 640;
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int max = std::max(vmax, hmax);
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return std::max(1, min(scaleval, max));
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}
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// [RH] Stretch values to make a 320x200 image best fit the screen
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// without using fractional steppings
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int CleanXfac, CleanYfac;
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// [RH] Effective screen sizes that the above scale values give you
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int CleanWidth, CleanHeight;
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// Above minus 1 (or 1, if they are already 1)
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int CleanXfac_1, CleanYfac_1, CleanWidth_1, CleanHeight_1;
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//==========================================================================
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//
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// Internal texture drawing function
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//
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//==========================================================================
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void DrawTexture(F2DDrawer *drawer, FGameTexture* img, double x, double y, int tags_first, ...)
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{
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Va_List tags;
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va_start(tags.list, tags_first);
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DrawParms parms;
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if (!img || !img->isValid()) return;
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bool res = ParseDrawTextureTags(drawer, img, x, y, tags_first, tags, &parms, false);
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va_end(tags.list);
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if (!res)
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{
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return;
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}
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drawer->AddTexture(img, parms);
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}
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//==========================================================================
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//
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// ZScript texture drawing function
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//
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//==========================================================================
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int ListGetInt(VMVa_List &tags);
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static void DrawTexture(F2DDrawer *drawer, FGameTexture *img, double x, double y, VMVa_List &args)
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{
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DrawParms parms;
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uint32_t tag = ListGetInt(args);
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if (!img || !img->isValid()) return;
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bool res = ParseDrawTextureTags(drawer, img, x, y, tag, args, &parms, false);
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if (!res) return;
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drawer->AddTexture(img, parms);
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}
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DEFINE_ACTION_FUNCTION(_Screen, DrawTexture)
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{
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PARAM_PROLOGUE;
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PARAM_INT(texid);
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PARAM_BOOL(animate);
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PARAM_FLOAT(x);
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PARAM_FLOAT(y);
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PARAM_VA_POINTER(va_reginfo) // Get the hidden type information array
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if (!twod->HasBegun2D()) ThrowAbortException(X_OTHER, "Attempt to draw to screen outside a draw function");
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auto tex = TexMan.GameByIndex(texid, animate);
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VMVa_List args = { param + 4, 0, numparam - 5, va_reginfo + 4 };
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DrawTexture(twod, tex, x, y, args);
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return 0;
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}
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//==========================================================================
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//
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// ZScript arbitrary textured shape drawing functions
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//
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//==========================================================================
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void DrawShape(F2DDrawer *drawer, FGameTexture *img, DShape2D *shape, int tags_first, ...)
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{
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Va_List tags;
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va_start(tags.list, tags_first);
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DrawParms parms;
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bool res = ParseDrawTextureTags(drawer, img, 0, 0, tags_first, tags, &parms, false);
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va_end(tags.list);
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if (!res) return;
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drawer->AddShape(img, shape, parms);
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}
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void DrawShape(F2DDrawer *drawer, FGameTexture *img, DShape2D *shape, VMVa_List &args)
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{
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DrawParms parms;
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uint32_t tag = ListGetInt(args);
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bool res = ParseDrawTextureTags(drawer, img, 0, 0, tag, args, &parms, false);
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if (!res) return;
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drawer->AddShape(img, shape, parms);
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}
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DEFINE_ACTION_FUNCTION(_Screen, DrawShape)
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{
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PARAM_PROLOGUE;
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PARAM_INT(texid);
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PARAM_BOOL(animate);
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PARAM_POINTER(shape, DShape2D);
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PARAM_VA_POINTER(va_reginfo) // Get the hidden type information array
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if (!twod->HasBegun2D()) ThrowAbortException(X_OTHER, "Attempt to draw to screen outside a draw function");
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auto tex = TexMan.GameByIndex(texid, animate);
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VMVa_List args = { param + 3, 0, numparam - 4, va_reginfo + 3 };
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DrawShape(twod, tex, shape, args);
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return 0;
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}
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//==========================================================================
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//
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// Clipping rect
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//
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//==========================================================================
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void F2DDrawer::SetClipRect(int x, int y, int w, int h)
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{
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clipleft = clamp(x, 0, GetWidth());
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clipwidth = clamp(w, -1, GetWidth() - x);
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cliptop = clamp(y, 0, GetHeight());
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clipheight = clamp(h, -1, GetHeight() - y);
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}
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DEFINE_ACTION_FUNCTION(_Screen, SetClipRect)
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{
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PARAM_PROLOGUE;
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PARAM_INT(x);
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PARAM_INT(y);
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PARAM_INT(w);
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PARAM_INT(h);
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twod->SetClipRect(x, y, w, h);
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return 0;
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}
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DEFINE_ACTION_FUNCTION(_Screen, ClearClipRect)
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{
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PARAM_PROLOGUE;
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twod->ClearClipRect();
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return 0;
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}
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DEFINE_ACTION_FUNCTION(_Screen, ClearScreen)
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{
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PARAM_PROLOGUE;
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twod->ClearScreen();
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return 0;
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}
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DEFINE_ACTION_FUNCTION(_Screen, SetScreenFade)
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{
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PARAM_PROLOGUE;
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PARAM_FLOAT(x);
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twod->SetScreenFade(float(x));
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return 0;
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}
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void F2DDrawer::GetClipRect(int *x, int *y, int *w, int *h)
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{
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if (x) *x = clipleft;
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if (y) *y = cliptop;
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if (w) *w = clipwidth;
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if (h) *h = clipheight;
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}
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DEFINE_ACTION_FUNCTION(_Screen, GetClipRect)
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{
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PARAM_PROLOGUE;
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int x, y, w, h;
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twod->GetClipRect(&x, &y, &w, &h);
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if (numret > 0) ret[0].SetInt(x);
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if (numret > 1) ret[1].SetInt(y);
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if (numret > 2) ret[2].SetInt(w);
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if (numret > 3) ret[3].SetInt(h);
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return min(numret, 4);
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}
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void CalcFullscreenScale(DrawParms *parms, double srcwidth, double srcheight, int oautoaspect, DoubleRect &rect)
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{
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auto GetWidth = [=]() { return parms->viewport.width; };
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auto GetHeight = [=]() {return parms->viewport.height; };
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int autoaspect = oautoaspect;
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if (autoaspect == FSMode_ScaleToScreen)
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{
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rect.left = rect.top = 0;
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rect.width = GetWidth();
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rect.height = GetHeight();
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return;
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}
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double aspect;
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if (srcheight == 200) srcheight = 240.;
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else if (srcheight == 400) srcheight = 480;
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aspect = srcwidth / srcheight;
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rect.left = rect.top = 0;
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auto screenratio = ActiveRatio(GetWidth(), GetHeight());
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if (autoaspect == FSMode_ScaleToFit43 || autoaspect == FSMode_ScaleToFit43Top || autoaspect == FSMode_ScaleToFit43Bottom)
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{
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// screen is wider than the image -> pillarbox it. 4:3 images must also be pillarboxed if the screen is taller than the image
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if (screenratio >= aspect || aspect < 1.4) autoaspect = FSMode_ScaleToFit;
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else if (screenratio > 1.32) autoaspect = FSMode_ScaleToFill; // on anything 4:3 and wider crop the sides of the image.
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else
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{
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// special case: Crop image to 4:3 and then letterbox this. This avoids too much cropping on narrow windows.
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double width4_3 = srcheight * (4. / 3.);
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rect.width = (double)GetWidth() * srcwidth / width4_3;
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rect.height = GetHeight() * screenratio * (3. / 4.); // use 4:3 for the image
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rect.left = (double)GetWidth() * (-(srcwidth - width4_3) / 2) / width4_3;
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switch (oautoaspect)
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{
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default:
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rect.top = (GetHeight() - rect.height) / 2;
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break;
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case FSMode_ScaleToFit43Top:
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rect.top = 0;
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break;
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case FSMode_ScaleToFit43Bottom:
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rect.top = (GetHeight() - rect.height);
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break;
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}
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return;
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}
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}
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if (autoaspect == FSMode_ScaleToHeight || (screenratio > aspect) ^ (autoaspect == FSMode_ScaleToFill))
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{
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// pillarboxed or vertically cropped (i.e. scale to height)
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rect.height = GetHeight();
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rect.width = GetWidth() * aspect / screenratio;
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rect.left = (GetWidth() - rect.width) / 2;
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}
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else
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{
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// letterboxed or horizontally cropped (i.e. scale to width)
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rect.width = GetWidth();
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rect.height = GetHeight() * screenratio / aspect;
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switch (oautoaspect)
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{
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default:
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rect.top = (GetHeight() - rect.height) / 2;
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break;
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case FSMode_ScaleToFit43Top:
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rect.top = 0;
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break;
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case FSMode_ScaleToFit43Bottom:
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rect.top = (GetHeight() - rect.height);
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break;
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}
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}
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}
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void GetFullscreenRect(double width, double height, int fsmode, DoubleRect* rect)
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{
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DrawParms parms;
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parms.viewport.width = twod->GetWidth();
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parms.viewport.height = twod->GetHeight();
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CalcFullscreenScale(&parms, width, height, fsmode, *rect);
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}
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DEFINE_ACTION_FUNCTION(_Screen, GetFullscreenRect)
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{
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PARAM_PROLOGUE;
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PARAM_FLOAT(virtw);
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PARAM_FLOAT(virth);
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PARAM_INT(fsmode);
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DrawParms parms;
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DoubleRect rect;
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parms.viewport.width = twod->GetWidth();
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parms.viewport.height = twod->GetHeight();
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CalcFullscreenScale(&parms, virtw, virth, fsmode, rect);
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if (numret >= 1) ret[0].SetFloat(rect.left);
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if (numret >= 2) ret[1].SetFloat(rect.top);
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if (numret >= 3) ret[2].SetFloat(rect.width);
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if (numret >= 4) ret[3].SetFloat(rect.height);
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return min(numret, 4);
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}
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//==========================================================================
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//
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// Draw parameter parsing
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//
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//==========================================================================
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bool SetTextureParms(F2DDrawer * drawer, DrawParms *parms, FGameTexture *img, double xx, double yy)
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{
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auto GetWidth = [=]() { return parms->viewport.width; };
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auto GetHeight = [=]() {return parms->viewport.height; };
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if (img != NULL)
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{
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parms->x = xx;
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parms->y = yy;
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parms->texwidth = img->GetDisplayWidth();
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parms->texheight = img->GetDisplayHeight();
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if (parms->top == INT_MAX || parms->fortext)
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{
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parms->top = img->GetDisplayTopOffset();
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}
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if (parms->left == INT_MAX || parms->fortext)
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{
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parms->left = img->GetDisplayLeftOffset();
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}
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if (parms->destwidth == INT_MAX || parms->fortext)
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{
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parms->destwidth = parms->texwidth;
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}
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if (parms->destheight == INT_MAX || parms->fortext)
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{
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parms->destheight = parms->texheight;
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}
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parms->destwidth *= parms->patchscalex;
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parms->destheight *= parms->patchscaley;
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|
|
if (parms->flipoffsets && parms->flipY) parms->top = parms->texheight - parms->top;
|
|
if (parms->flipoffsets && parms->flipX) parms->left = parms->texwidth - parms->left;
|
|
|
|
switch (parms->cleanmode)
|
|
{
|
|
default:
|
|
break;
|
|
|
|
case DTA_Clean:
|
|
parms->x = (parms->x - 160.0) * CleanXfac + (GetWidth() * 0.5);
|
|
parms->y = (parms->y - 100.0) * CleanYfac + (GetHeight() * 0.5);
|
|
parms->destwidth = parms->texwidth * CleanXfac;
|
|
parms->destheight = parms->texheight * CleanYfac;
|
|
break;
|
|
|
|
case DTA_CleanTop:
|
|
parms->x = (parms->x - 160.0) * CleanXfac + (GetWidth() * 0.5);
|
|
parms->y = (parms->y) * CleanYfac;
|
|
parms->destwidth = parms->texwidth * CleanXfac;
|
|
parms->destheight = parms->texheight * CleanYfac;
|
|
break;
|
|
|
|
case DTA_CleanNoMove:
|
|
parms->destwidth = parms->texwidth * CleanXfac;
|
|
parms->destheight = parms->texheight * CleanYfac;
|
|
break;
|
|
|
|
case DTA_CleanNoMove_1:
|
|
parms->destwidth = parms->texwidth * CleanXfac_1;
|
|
parms->destheight = parms->texheight * CleanYfac_1;
|
|
break;
|
|
|
|
case DTA_Base:
|
|
if (parms->fsscalemode > 0)
|
|
{
|
|
// First calculate the destination rect for an image of the given size and then reposition this object in it.
|
|
DoubleRect rect;
|
|
CalcFullscreenScale(parms, parms->virtWidth, parms->virtHeight, parms->fsscalemode, rect);
|
|
double adder = parms->keepratio < 0 ? 0 : parms->keepratio == 0 ? rect.left : 2 * rect.left;
|
|
parms->x = parms->viewport.left + adder + parms->x * rect.width / parms->virtWidth;
|
|
parms->y = parms->viewport.top + rect.top + parms->y * rect.height / parms->virtHeight;
|
|
parms->destwidth = parms->destwidth * rect.width / parms->virtWidth;
|
|
parms->destheight = parms->destheight * rect.height / parms->virtHeight;
|
|
return false;
|
|
}
|
|
break;
|
|
|
|
case DTA_Fullscreen:
|
|
case DTA_FullscreenEx:
|
|
{
|
|
DoubleRect rect;
|
|
CalcFullscreenScale(parms, parms->texwidth, parms->texheight, parms->fsscalemode, rect);
|
|
parms->keepratio = -1;
|
|
parms->x = parms->viewport.left + rect.left;
|
|
parms->y = parms->viewport.top + rect.top;
|
|
parms->destwidth = rect.width;
|
|
parms->destheight = rect.height;
|
|
parms->top = parms->left = 0;
|
|
return false; // Do not call VirtualToRealCoords for this!
|
|
}
|
|
|
|
case DTA_HUDRules:
|
|
case DTA_HUDRulesC:
|
|
{
|
|
// Note that this has been deprecated and become non-functional. The HUD should be drawn by the status bar.
|
|
bool xright = parms->x < 0;
|
|
bool ybot = parms->y < 0;
|
|
DVector2 scale = { 1., 1. };
|
|
|
|
parms->x *= scale.X;
|
|
if (parms->cleanmode == DTA_HUDRulesC)
|
|
parms->x += GetWidth() * 0.5;
|
|
else if (xright)
|
|
parms->x = GetWidth() + parms->x;
|
|
parms->y *= scale.Y;
|
|
if (ybot)
|
|
parms->y = GetHeight() + parms->y;
|
|
parms->destwidth = parms->texwidth * scale.X;
|
|
parms->destheight = parms->texheight * scale.Y;
|
|
break;
|
|
}
|
|
}
|
|
if (parms->virtWidth != GetWidth() || parms->virtHeight != GetHeight())
|
|
{
|
|
VirtualToRealCoords(drawer, GetWidth(), GetHeight(), parms->x, parms->y, parms->destwidth, parms->destheight,
|
|
parms->virtWidth, parms->virtHeight, parms->virtBottom, !parms->keepratio);
|
|
}
|
|
parms->x += parms->viewport.left;
|
|
parms->y += parms->viewport.top;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// template helpers
|
|
//
|
|
//==========================================================================
|
|
|
|
static void ListEnd(Va_List &tags)
|
|
{
|
|
va_end(tags.list);
|
|
}
|
|
|
|
static int ListGetInt(Va_List &tags)
|
|
{
|
|
return va_arg(tags.list, int);
|
|
}
|
|
|
|
static inline double ListGetDouble(Va_List &tags)
|
|
{
|
|
return va_arg(tags.list, double);
|
|
}
|
|
|
|
static inline FSpecialColormap * ListGetSpecialColormap(Va_List &tags)
|
|
{
|
|
return va_arg(tags.list, FSpecialColormap *);
|
|
}
|
|
|
|
static void ListEnd(VMVa_List &tags)
|
|
{
|
|
}
|
|
|
|
int ListGetInt(VMVa_List &tags)
|
|
{
|
|
if (tags.curindex < tags.numargs)
|
|
{
|
|
if (tags.reginfo[tags.curindex] == REGT_INT)
|
|
{
|
|
return tags.args[tags.curindex++].i;
|
|
}
|
|
ThrowAbortException(X_OTHER, "Invalid parameter in draw function, int expected");
|
|
}
|
|
return TAG_DONE;
|
|
}
|
|
|
|
static inline double ListGetDouble(VMVa_List &tags)
|
|
{
|
|
if (tags.curindex < tags.numargs)
|
|
{
|
|
if (tags.reginfo[tags.curindex] == REGT_FLOAT)
|
|
{
|
|
return tags.args[tags.curindex++].f;
|
|
}
|
|
if (tags.reginfo[tags.curindex] == REGT_INT)
|
|
{
|
|
return tags.args[tags.curindex++].i;
|
|
}
|
|
ThrowAbortException(X_OTHER, "Invalid parameter in draw function, float expected");
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static inline FSpecialColormap * ListGetSpecialColormap(VMVa_List &tags)
|
|
{
|
|
ThrowAbortException(X_OTHER, "Invalid tag in draw function");
|
|
return nullptr;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// Main taglist parsing
|
|
//
|
|
//==========================================================================
|
|
|
|
template<class T>
|
|
bool ParseDrawTextureTags(F2DDrawer *drawer, FGameTexture *img, double x, double y, uint32_t tag, T& tags, DrawParms *parms, bool fortext)
|
|
{
|
|
INTBOOL boolval;
|
|
int intval;
|
|
bool fillcolorset = false;
|
|
|
|
if (!fortext)
|
|
{
|
|
if (img == NULL || !img->isValid())
|
|
{
|
|
ListEnd(tags);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Do some sanity checks on the coordinates.
|
|
if (x < -16383 || x > 16383 || y < -16383 || y > 16383)
|
|
{
|
|
ListEnd(tags);
|
|
return false;
|
|
}
|
|
|
|
parms->fortext = fortext;
|
|
parms->windowleft = 0;
|
|
parms->windowright = INT_MAX;
|
|
parms->dclip = drawer->GetHeight();
|
|
parms->uclip = 0;
|
|
parms->lclip = 0;
|
|
parms->rclip = drawer->GetWidth();
|
|
parms->left = INT_MAX;
|
|
parms->top = INT_MAX;
|
|
parms->destwidth = INT_MAX;
|
|
parms->destheight = INT_MAX;
|
|
parms->Alpha = 1.f;
|
|
parms->fillcolor = -1;
|
|
parms->TranslationId = -1;
|
|
parms->colorOverlay = 0;
|
|
parms->alphaChannel = false;
|
|
parms->flipX = false;
|
|
parms->flipY = false;
|
|
parms->color = 0xffffffff;
|
|
//parms->shadowAlpha = 0;
|
|
parms->shadowColor = 0;
|
|
parms->virtWidth = INT_MAX; // these need to match the viewport if not explicitly set, but we do not know that yet.
|
|
parms->virtHeight = INT_MAX;
|
|
parms->keepratio = false;
|
|
parms->style.BlendOp = 255; // Dummy "not set" value
|
|
parms->masked = true;
|
|
parms->bilinear = false;
|
|
parms->specialcolormap = NULL;
|
|
parms->desaturate = 0;
|
|
parms->cleanmode = DTA_Base;
|
|
parms->scalex = parms->scaley = 1;
|
|
parms->cellx = parms->celly = 0;
|
|
parms->maxstrlen = INT_MAX;
|
|
parms->virtBottom = false;
|
|
parms->srcx = 0.;
|
|
parms->srcy = 0.;
|
|
parms->srcwidth = 1.;
|
|
parms->srcheight = 1.;
|
|
parms->burn = false;
|
|
parms->monospace = EMonospacing::Off;
|
|
parms->spacing = 0;
|
|
parms->fsscalemode = -1;
|
|
parms->patchscalex = parms->patchscaley = 1;
|
|
parms->viewport = { 0,0,drawer->GetWidth(), drawer->GetHeight() };
|
|
parms->rotateangle = 0;
|
|
parms->flipoffsets = false;
|
|
parms->indexed = false;
|
|
parms->nooffset = false;
|
|
|
|
// Parse the tag list for attributes. (For floating point attributes,
|
|
// consider that the C ABI dictates that all floats be promoted to
|
|
// doubles when passed as function arguments.)
|
|
while (tag != TAG_DONE)
|
|
{
|
|
switch (tag)
|
|
{
|
|
default:
|
|
ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_DestWidth:
|
|
assert(fortext == false);
|
|
if (fortext) return false;
|
|
parms->cleanmode = DTA_Base;
|
|
parms->destwidth = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_DestWidthF:
|
|
assert(fortext == false);
|
|
if (fortext) return false;
|
|
parms->cleanmode = DTA_Base;
|
|
parms->destwidth = ListGetDouble(tags);
|
|
break;
|
|
|
|
case DTA_DestHeight:
|
|
assert(fortext == false);
|
|
if (fortext) return false;
|
|
parms->cleanmode = DTA_Base;
|
|
parms->destheight = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_DestHeightF:
|
|
assert(fortext == false);
|
|
if (fortext) return false;
|
|
parms->cleanmode = DTA_Base;
|
|
parms->destheight = ListGetDouble(tags);
|
|
break;
|
|
|
|
case DTA_Clean:
|
|
case DTA_CleanTop:
|
|
boolval = ListGetInt(tags);
|
|
if (boolval)
|
|
{
|
|
parms->scalex = 1;
|
|
parms->scaley = 1;
|
|
parms->cleanmode = tag;
|
|
}
|
|
break;
|
|
|
|
case DTA_CleanNoMove:
|
|
boolval = ListGetInt(tags);
|
|
if (boolval)
|
|
{
|
|
parms->scalex = CleanXfac;
|
|
parms->scaley = CleanYfac;
|
|
parms->cleanmode = tag;
|
|
}
|
|
break;
|
|
|
|
case DTA_CleanNoMove_1:
|
|
boolval = ListGetInt(tags);
|
|
if (boolval)
|
|
{
|
|
parms->scalex = CleanXfac_1;
|
|
parms->scaley = CleanYfac_1;
|
|
parms->cleanmode = tag;
|
|
}
|
|
break;
|
|
|
|
case DTA_320x200:
|
|
boolval = ListGetInt(tags);
|
|
if (boolval)
|
|
{
|
|
parms->cleanmode = DTA_Base;
|
|
parms->scalex = 1;
|
|
parms->scaley = 1;
|
|
parms->virtWidth = 320;
|
|
parms->virtHeight = 200;
|
|
}
|
|
break;
|
|
|
|
case DTA_Bottom320x200:
|
|
boolval = ListGetInt(tags);
|
|
if (boolval)
|
|
{
|
|
parms->cleanmode = DTA_Base;
|
|
parms->scalex = 1;
|
|
parms->scaley = 1;
|
|
parms->virtWidth = 320;
|
|
parms->virtHeight = 200;
|
|
}
|
|
parms->virtBottom = true;
|
|
break;
|
|
|
|
case DTA_HUDRules:
|
|
intval = ListGetInt(tags);
|
|
parms->cleanmode = intval == HUD_HorizCenter ? DTA_HUDRulesC : DTA_HUDRules;
|
|
break;
|
|
|
|
case DTA_VirtualWidth:
|
|
parms->cleanmode = DTA_Base;
|
|
parms->virtWidth = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_VirtualWidthF:
|
|
parms->cleanmode = DTA_Base;
|
|
parms->virtWidth = ListGetDouble(tags);
|
|
break;
|
|
|
|
case DTA_VirtualHeight:
|
|
parms->cleanmode = DTA_Base;
|
|
parms->virtHeight = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_VirtualHeightF:
|
|
parms->cleanmode = DTA_Base;
|
|
parms->virtHeight = ListGetDouble(tags);
|
|
break;
|
|
|
|
case DTA_FullscreenScale:
|
|
intval = ListGetInt(tags);
|
|
if (intval >= FSMode_None && intval < FSMode_Max)
|
|
{
|
|
parms->fsscalemode = (int8_t)intval;
|
|
}
|
|
else if (intval >= FSMode_Predefined && intval < FSMode_Predefined_Max)
|
|
{
|
|
static const uint8_t modes[] = { FSMode_ScaleToFit43, FSMode_ScaleToFit43, FSMode_ScaleToFit43, FSMode_ScaleToFit43, FSMode_ScaleToFit43Top};
|
|
static const uint16_t widths[] = { 320, 320, 640, 640, 320};
|
|
static const uint16_t heights[] = { 200, 240, 400, 480, 200};
|
|
parms->fsscalemode = modes[intval - FSMode_Predefined];
|
|
parms->virtWidth = widths[intval - FSMode_Predefined];
|
|
parms->virtHeight = heights[intval - FSMode_Predefined];
|
|
}
|
|
break;
|
|
|
|
case DTA_Fullscreen:
|
|
|
|
boolval = ListGetInt(tags);
|
|
if (boolval)
|
|
{
|
|
assert(fortext == false);
|
|
if (img == NULL) return false;
|
|
parms->cleanmode = DTA_Fullscreen;
|
|
parms->fsscalemode = (uint8_t)twod->fullscreenautoaspect;
|
|
parms->virtWidth = img->GetDisplayWidth();
|
|
parms->virtHeight = img->GetDisplayHeight();
|
|
}
|
|
break;
|
|
|
|
case DTA_FullscreenEx:
|
|
|
|
intval = ListGetInt(tags);
|
|
if (intval >= 0 && intval <= 3)
|
|
{
|
|
assert(fortext == false);
|
|
if (img == NULL) return false;
|
|
parms->cleanmode = DTA_Fullscreen;
|
|
parms->fsscalemode = (uint8_t)intval;
|
|
parms->virtWidth = img->GetDisplayWidth();
|
|
parms->virtHeight = img->GetDisplayHeight();
|
|
}
|
|
break;
|
|
|
|
case DTA_Alpha:
|
|
parms->Alpha = (float)(min<double>(1., ListGetDouble(tags)));
|
|
break;
|
|
|
|
case DTA_AlphaChannel:
|
|
parms->alphaChannel = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_FillColor:
|
|
parms->fillcolor = ListGetInt(tags);
|
|
if (parms->fillcolor != ~0u)
|
|
{
|
|
fillcolorset = true;
|
|
}
|
|
else if (parms->fillcolor != 0)
|
|
{
|
|
// The crosshair is the only thing which uses a non-black fill color.
|
|
parms->fillcolor = PalEntry(ColorMatcher.Pick(parms->fillcolor), RPART(parms->fillcolor), GPART(parms->fillcolor), BPART(parms->fillcolor));
|
|
}
|
|
break;
|
|
|
|
case DTA_TranslationIndex:
|
|
parms->TranslationId = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_ColorOverlay:
|
|
parms->colorOverlay = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_Color:
|
|
parms->color = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_FlipX:
|
|
parms->flipX = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_FlipY:
|
|
parms->flipY = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_FlipOffsets:
|
|
parms->flipoffsets = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_NoOffset:
|
|
parms->nooffset = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_SrcX:
|
|
parms->srcx = ListGetDouble(tags) / img->GetDisplayWidth();
|
|
break;
|
|
|
|
case DTA_SrcY:
|
|
parms->srcy = ListGetDouble(tags) / img->GetDisplayHeight();
|
|
break;
|
|
|
|
case DTA_SrcWidth:
|
|
parms->srcwidth = ListGetDouble(tags) / img->GetDisplayWidth();
|
|
break;
|
|
|
|
case DTA_SrcHeight:
|
|
parms->srcheight = ListGetDouble(tags) / img->GetDisplayHeight();
|
|
break;
|
|
|
|
case DTA_TopOffset:
|
|
assert(fortext == false);
|
|
if (fortext) return false;
|
|
parms->top = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_TopOffsetF:
|
|
assert(fortext == false);
|
|
if (fortext) return false;
|
|
parms->top = ListGetDouble(tags);
|
|
break;
|
|
|
|
case DTA_LeftOffset:
|
|
assert(fortext == false);
|
|
if (fortext) return false;
|
|
parms->left = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_LeftOffsetF:
|
|
assert(fortext == false);
|
|
if (fortext) return false;
|
|
parms->left = ListGetDouble(tags);
|
|
break;
|
|
|
|
case DTA_TopLeft:
|
|
assert(fortext == false);
|
|
if (fortext) return false;
|
|
if (ListGetInt(tags))
|
|
{
|
|
parms->left = 0;
|
|
parms->top = 0;
|
|
}
|
|
break;
|
|
|
|
case DTA_CenterOffset:
|
|
assert(fortext == false);
|
|
if (fortext) return false;
|
|
if (ListGetInt(tags))
|
|
{
|
|
parms->left = img->GetDisplayWidth() * 0.5;
|
|
parms->top = img->GetDisplayHeight() * 0.5;
|
|
}
|
|
break;
|
|
|
|
case DTA_CenterOffsetRel:
|
|
assert(fortext == false);
|
|
if (fortext) return false;
|
|
intval = ListGetInt(tags);
|
|
if (intval == 1)
|
|
{
|
|
parms->left = img->GetDisplayLeftOffset() + (img->GetDisplayWidth() * 0.5);
|
|
parms->top = img->GetDisplayTopOffset() + (img->GetDisplayHeight() * 0.5);
|
|
}
|
|
else if (intval == 2)
|
|
{
|
|
parms->left = img->GetDisplayLeftOffset() + floor(img->GetDisplayWidth() * 0.5);
|
|
parms->top = img->GetDisplayTopOffset() + floor(img->GetDisplayHeight() * 0.5);
|
|
}
|
|
break;
|
|
|
|
case DTA_CenterBottomOffset:
|
|
assert(fortext == false);
|
|
if (fortext) return false;
|
|
if (ListGetInt(tags))
|
|
{
|
|
parms->left = img->GetDisplayWidth() * 0.5;
|
|
parms->top = img->GetDisplayHeight();
|
|
}
|
|
break;
|
|
|
|
case DTA_WindowLeft:
|
|
assert(fortext == false);
|
|
if (fortext) return false;
|
|
parms->windowleft = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_WindowLeftF:
|
|
assert(fortext == false);
|
|
if (fortext) return false;
|
|
parms->windowleft = ListGetDouble(tags);
|
|
break;
|
|
|
|
case DTA_WindowRight:
|
|
assert(fortext == false);
|
|
if (fortext) return false;
|
|
parms->windowright = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_WindowRightF:
|
|
assert(fortext == false);
|
|
if (fortext) return false;
|
|
parms->windowright = ListGetDouble(tags);
|
|
break;
|
|
|
|
case DTA_ClipTop:
|
|
parms->uclip = ListGetInt(tags);
|
|
if (parms->uclip < 0)
|
|
{
|
|
parms->uclip = 0;
|
|
}
|
|
break;
|
|
|
|
case DTA_ClipBottom:
|
|
parms->dclip = ListGetInt(tags);
|
|
if (parms->dclip > drawer->GetHeight())
|
|
{
|
|
parms->dclip = drawer->GetHeight();
|
|
}
|
|
break;
|
|
|
|
case DTA_ClipLeft:
|
|
parms->lclip = ListGetInt(tags);
|
|
if (parms->lclip < 0)
|
|
{
|
|
parms->lclip = 0;
|
|
}
|
|
break;
|
|
|
|
case DTA_ClipRight:
|
|
parms->rclip = ListGetInt(tags);
|
|
if (parms->rclip > drawer->GetWidth())
|
|
{
|
|
parms->rclip = drawer->GetWidth();
|
|
}
|
|
break;
|
|
|
|
case DTA_ShadowAlpha:
|
|
//parms->shadowAlpha = (float)min(1., ListGetDouble(tags));
|
|
break;
|
|
|
|
case DTA_ShadowColor:
|
|
parms->shadowColor = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_Shadow:
|
|
boolval = ListGetInt(tags);
|
|
if (boolval)
|
|
{
|
|
//parms->shadowAlpha = 0.5;
|
|
parms->shadowColor = 0;
|
|
}
|
|
else
|
|
{
|
|
//parms->shadowAlpha = 0;
|
|
}
|
|
break;
|
|
|
|
case DTA_ScaleX:
|
|
parms->patchscalex = ListGetDouble(tags);
|
|
break;
|
|
|
|
case DTA_ScaleY:
|
|
parms->patchscaley = ListGetDouble(tags);
|
|
break;
|
|
|
|
case DTA_Masked:
|
|
parms->masked = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_BilinearFilter:
|
|
parms->bilinear = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_KeepRatio:
|
|
parms->keepratio = ListGetInt(tags) ? -1 : 0;
|
|
break;
|
|
|
|
case DTA_Pin:
|
|
parms->keepratio = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_RenderStyle:
|
|
parms->style.AsDWORD = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_LegacyRenderStyle: // mainly for ZScript which does not handle FRenderStyle that well.
|
|
parms->style = (ERenderStyle)ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_SpecialColormap:
|
|
parms->specialcolormap = ListGetSpecialColormap(tags);
|
|
break;
|
|
|
|
case DTA_Desaturate:
|
|
parms->desaturate = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_TextLen:
|
|
parms->maxstrlen = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_CellX:
|
|
parms->cellx = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_CellY:
|
|
parms->celly = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_Monospace:
|
|
parms->monospace = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_Spacing:
|
|
parms->spacing = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_Burn:
|
|
parms->burn = true;
|
|
break;
|
|
|
|
case DTA_ViewportX:
|
|
parms->viewport.left = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_ViewportY:
|
|
parms->viewport.top = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_ViewportWidth:
|
|
parms->viewport.width = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_ViewportHeight:
|
|
parms->viewport.height = ListGetInt(tags);
|
|
break;
|
|
|
|
case DTA_Rotate:
|
|
assert(fortext == false);
|
|
if (fortext) return false;
|
|
parms->rotateangle = ListGetDouble(tags);
|
|
break;
|
|
|
|
case DTA_Indexed:
|
|
parms->indexed = !!ListGetInt(tags);
|
|
break;
|
|
}
|
|
tag = ListGetInt(tags);
|
|
}
|
|
ListEnd(tags);
|
|
|
|
if (parms->virtWidth == INT_MAX) parms->virtWidth = parms->viewport.width;
|
|
if (parms->virtHeight == INT_MAX) parms->virtHeight = parms->viewport.height;
|
|
|
|
auto clipleft = drawer->clipleft;
|
|
auto cliptop = drawer->cliptop;
|
|
auto clipwidth = drawer->clipwidth;
|
|
auto clipheight = drawer->clipheight;
|
|
// intersect with the canvas's clipping rectangle.
|
|
if (clipwidth >= 0 && clipheight >= 0)
|
|
{
|
|
if (parms->lclip < clipleft) parms->lclip = clipleft;
|
|
if (parms->rclip > clipleft + clipwidth) parms->rclip = clipleft + clipwidth;
|
|
if (parms->uclip < cliptop) parms->uclip = cliptop;
|
|
if (parms->dclip > cliptop + clipheight) parms->dclip = cliptop + clipheight;
|
|
}
|
|
|
|
if (parms->uclip >= parms->dclip || parms->lclip >= parms->rclip)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (img != NULL)
|
|
{
|
|
SetTextureParms(drawer, parms, img, x, y);
|
|
|
|
if (parms->destwidth <= 0 || parms->destheight <= 0)
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (parms->style.BlendOp == 255)
|
|
{
|
|
if (fillcolorset)
|
|
{
|
|
if (parms->alphaChannel)
|
|
{
|
|
parms->style = STYLE_Shaded;
|
|
}
|
|
else if (parms->Alpha < 1.f)
|
|
{
|
|
parms->style = STYLE_TranslucentStencil;
|
|
}
|
|
else
|
|
{
|
|
parms->style = STYLE_Stencil;
|
|
}
|
|
}
|
|
else if (parms->Alpha < 1.f)
|
|
{
|
|
parms->style = STYLE_Translucent;
|
|
}
|
|
else
|
|
{
|
|
parms->style = STYLE_Normal;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
// explicitly instantiate both versions for v_text.cpp.
|
|
|
|
template bool ParseDrawTextureTags<Va_List>(F2DDrawer* drawer, FGameTexture *img, double x, double y, uint32_t tag, Va_List& tags, DrawParms *parms, bool fortext);
|
|
template bool ParseDrawTextureTags<VMVa_List>(F2DDrawer* drawer, FGameTexture *img, double x, double y, uint32_t tag, VMVa_List& tags, DrawParms *parms, bool fortext);
|
|
|
|
//==========================================================================
|
|
//
|
|
// Coordinate conversion
|
|
//
|
|
//==========================================================================
|
|
|
|
static void VirtualToRealCoords(F2DDrawer *drawer, double Width, double Height, double &x, double &y, double &w, double &h,
|
|
double vwidth, double vheight, bool vbottom, bool handleaspect)
|
|
{
|
|
float myratio = float(handleaspect ? ActiveRatio (Width, Height) : (4.0 / 3.0));
|
|
|
|
// if 21:9 AR, map to 16:9 for all callers.
|
|
// this allows for black bars and stops the stretching of fullscreen images
|
|
|
|
switch (vid_allowtrueultrawide)
|
|
{
|
|
case 1:
|
|
default:
|
|
myratio = min(64.0f / 27.0f, myratio);
|
|
break;
|
|
case 0:
|
|
myratio = min(16.0f / 9.0f, myratio);
|
|
case -1:
|
|
break;
|
|
}
|
|
|
|
double right = x + w;
|
|
double bottom = y + h;
|
|
|
|
if (myratio > 1.334f)
|
|
{ // The target surface is either 16:9 or 16:10, so expand the
|
|
// specified virtual size to avoid undesired stretching of the
|
|
// image. Does not handle non-4:3 virtual sizes. I'll worry about
|
|
// those if somebody expresses a desire to use them.
|
|
x = (x - vwidth * 0.5) * Width * 960 / (vwidth * AspectBaseWidth(myratio)) + Width * 0.5;
|
|
w = (right - vwidth * 0.5) * Width * 960 / (vwidth * AspectBaseWidth(myratio)) + Width * 0.5 - x;
|
|
}
|
|
else
|
|
{
|
|
x = x * Width / vwidth;
|
|
w = right * Width / vwidth - x;
|
|
}
|
|
if (AspectTallerThanWide(myratio))
|
|
{ // The target surface is 5:4
|
|
y = (y - vheight * 0.5) * Height * 600 / (vheight * AspectBaseHeight(myratio)) + Height * 0.5;
|
|
h = (bottom - vheight * 0.5) * Height * 600 / (vheight * AspectBaseHeight(myratio)) + Height * 0.5 - y;
|
|
if (vbottom)
|
|
{
|
|
y += (Height - Height * AspectMultiplier(myratio) / 48.0) * 0.5;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
y = y * Height / vheight;
|
|
h = bottom * Height / vheight - y;
|
|
}
|
|
}
|
|
|
|
void VirtualToRealCoords(F2DDrawer* drawer, double& x, double& y, double& w, double& h,
|
|
double vwidth, double vheight, bool vbottom, bool handleaspect)
|
|
{
|
|
auto Width = drawer->GetWidth();
|
|
auto Height = drawer->GetHeight();
|
|
VirtualToRealCoords(drawer, Width, Height, x, y, w, h, vwidth, vheight, vbottom, handleaspect);
|
|
}
|
|
|
|
DEFINE_ACTION_FUNCTION(_Screen, VirtualToRealCoords)
|
|
{
|
|
PARAM_PROLOGUE;
|
|
PARAM_FLOAT(x);
|
|
PARAM_FLOAT(y);
|
|
PARAM_FLOAT(w);
|
|
PARAM_FLOAT(h);
|
|
PARAM_FLOAT(vw);
|
|
PARAM_FLOAT(vh);
|
|
PARAM_BOOL(vbottom);
|
|
PARAM_BOOL(handleaspect);
|
|
VirtualToRealCoords(twod, x, y, w, h, vw, vh, vbottom, handleaspect);
|
|
if (numret >= 1) ret[0].SetVector2(DVector2(x, y));
|
|
if (numret >= 2) ret[1].SetVector2(DVector2(w, h));
|
|
return min(numret, 2);
|
|
}
|
|
|
|
void VirtualToRealCoordsInt(F2DDrawer *drawer, int &x, int &y, int &w, int &h,
|
|
int vwidth, int vheight, bool vbottom, bool handleaspect)
|
|
{
|
|
double dx, dy, dw, dh;
|
|
|
|
dx = x;
|
|
dy = y;
|
|
dw = w;
|
|
dh = h;
|
|
VirtualToRealCoords(drawer, dx, dy, dw, dh, vwidth, vheight, vbottom, handleaspect);
|
|
x = int(dx + 0.5);
|
|
y = int(dy + 0.5);
|
|
w = int(dx + dw + 0.5) - x;
|
|
h = int(dy + dh + 0.5) - y;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// Draw a line
|
|
//
|
|
//==========================================================================
|
|
|
|
static void DrawLine(int x0, int y0, int x1, int y1, uint32_t realcolor, int alpha)
|
|
{
|
|
if (!twod->HasBegun2D()) ThrowAbortException(X_OTHER, "Attempt to draw to screen outside a draw function");
|
|
twod->AddLine((float)x0, (float)y0, (float)x1, (float)y1, -1, -1, INT_MAX, INT_MAX, realcolor | MAKEARGB(255, 0, 0, 0), alpha);
|
|
}
|
|
|
|
DEFINE_ACTION_FUNCTION_NATIVE(_Screen, DrawLine, DrawLine)
|
|
{
|
|
PARAM_PROLOGUE;
|
|
PARAM_INT(x0);
|
|
PARAM_INT(y0);
|
|
PARAM_INT(x1);
|
|
PARAM_INT(y1);
|
|
PARAM_INT(color);
|
|
PARAM_INT(alpha);
|
|
DrawLine(x0, y0, x1, y1, color, alpha);
|
|
return 0;
|
|
}
|
|
|
|
static void DrawThickLine(int x0, int y0, int x1, int y1, double thickness, uint32_t realcolor, int alpha)
|
|
{
|
|
if (!twod->HasBegun2D()) ThrowAbortException(X_OTHER, "Attempt to draw to screen outside a draw function");
|
|
twod->AddThickLine(x0, y0, x1, y1, thickness, realcolor, alpha);
|
|
}
|
|
|
|
DEFINE_ACTION_FUNCTION_NATIVE(_Screen, DrawThickLine, DrawThickLine)
|
|
{
|
|
PARAM_PROLOGUE;
|
|
PARAM_INT(x0);
|
|
PARAM_INT(y0);
|
|
PARAM_INT(x1);
|
|
PARAM_INT(y1);
|
|
PARAM_FLOAT(thickness);
|
|
PARAM_INT(color);
|
|
PARAM_INT(alpha);
|
|
DrawThickLine(x0, y0, x1, y1, thickness, color, alpha);
|
|
return 0;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// ClearRect
|
|
//
|
|
// Set an area to a specified color.
|
|
//
|
|
//==========================================================================
|
|
|
|
void ClearRect(F2DDrawer *drawer, int left, int top, int right, int bottom, int palcolor, uint32_t color)
|
|
{
|
|
auto clipleft = drawer->clipleft;
|
|
auto cliptop = drawer->cliptop;
|
|
auto clipwidth = drawer->clipwidth;
|
|
auto clipheight = drawer->clipheight;
|
|
|
|
if (clipwidth >= 0 && clipheight >= 0)
|
|
{
|
|
int w = right - left;
|
|
int h = bottom - top;
|
|
if (left < clipleft)
|
|
{
|
|
w -= (clipleft - left);
|
|
left = clipleft;
|
|
}
|
|
if (w > clipwidth) w = clipwidth;
|
|
if (w <= 0) return;
|
|
|
|
if (top < cliptop)
|
|
{
|
|
h -= (cliptop - top);
|
|
top = cliptop;
|
|
}
|
|
if (h > clipheight) w = clipheight;
|
|
if (h <= 0) return;
|
|
right = left + w;
|
|
bottom = top + h;
|
|
}
|
|
|
|
if (palcolor >= 0 && color == 0)
|
|
{
|
|
color = GPalette.BaseColors[palcolor] | 0xff000000;
|
|
}
|
|
drawer->AddColorOnlyQuad(left, top, right - left, bottom - top, color | 0xFF000000, nullptr);
|
|
}
|
|
|
|
DEFINE_ACTION_FUNCTION(_Screen, Clear)
|
|
{
|
|
PARAM_PROLOGUE;
|
|
PARAM_INT(x1);
|
|
PARAM_INT(y1);
|
|
PARAM_INT(x2);
|
|
PARAM_INT(y2);
|
|
PARAM_INT(color);
|
|
PARAM_INT(palcol);
|
|
if (!twod->HasBegun2D()) ThrowAbortException(X_OTHER, "Attempt to draw to screen outside a draw function");
|
|
ClearRect(twod, x1, y1, x2, y2, palcol, color);
|
|
return 0;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// DoDim
|
|
//
|
|
// Applies a colored overlay to an area of the screen.
|
|
//
|
|
//==========================================================================
|
|
|
|
void DoDim(F2DDrawer *drawer, PalEntry color, float amount, int x1, int y1, int w, int h, FRenderStyle *style)
|
|
{
|
|
if (amount <= 0)
|
|
{
|
|
return;
|
|
}
|
|
if (amount > 1)
|
|
{
|
|
amount = 1;
|
|
}
|
|
drawer->AddColorOnlyQuad(x1, y1, w, h, (color.d & 0xffffff) | (int(amount * 255) << 24), style);
|
|
}
|
|
|
|
void Dim(F2DDrawer *drawer, PalEntry color, float damount, int x1, int y1, int w, int h, FRenderStyle *style)
|
|
{
|
|
auto clipleft = drawer->clipleft;
|
|
auto cliptop = drawer->cliptop;
|
|
auto clipwidth = drawer->clipwidth;
|
|
auto clipheight = drawer->clipheight;
|
|
|
|
if (clipwidth >= 0 && clipheight >= 0)
|
|
{
|
|
if (x1 < clipleft)
|
|
{
|
|
w -= (clipleft - x1);
|
|
x1 = clipleft;
|
|
}
|
|
if (w > clipwidth) w = clipwidth;
|
|
if (w <= 0) return;
|
|
|
|
if (y1 < cliptop)
|
|
{
|
|
h -= (cliptop - y1);
|
|
y1 = cliptop;
|
|
}
|
|
if (h > clipheight) h = clipheight;
|
|
if (h <= 0) return;
|
|
}
|
|
DoDim(drawer, color, damount, x1, y1, w, h, style);
|
|
}
|
|
|
|
DEFINE_ACTION_FUNCTION(_Screen, Dim)
|
|
{
|
|
PARAM_PROLOGUE;
|
|
PARAM_INT(color);
|
|
PARAM_FLOAT(amount);
|
|
PARAM_INT(x1);
|
|
PARAM_INT(y1);
|
|
PARAM_INT(w);
|
|
PARAM_INT(h);
|
|
PARAM_INT(style);
|
|
if (!twod->HasBegun2D()) ThrowAbortException(X_OTHER, "Attempt to draw to screen outside a draw function");
|
|
Dim(twod, color, float(amount), x1, y1, w, h, &LegacyRenderStyles[style]);
|
|
return 0;
|
|
}
|
|
|
|
|
|
//==========================================================================
|
|
//
|
|
// screen->DrawBorder
|
|
//
|
|
//==========================================================================
|
|
|
|
void DrawBorder (F2DDrawer *drawer, FTextureID picnum, int x1, int y1, int x2, int y2)
|
|
{
|
|
int filltype = (ui_screenborder_classic_scaling) ? -1 : 0;
|
|
if (picnum.isValid())
|
|
{
|
|
drawer->AddFlatFill (x1, y1, x2, y2, TexMan.GetGameTexture(picnum, false), filltype);
|
|
}
|
|
else
|
|
{
|
|
ClearRect(drawer, x1, y1, x2, y2, 0, 0);
|
|
}
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// V_DrawFrame
|
|
//
|
|
// Draw a frame around the specified area using the view border
|
|
// frame graphics. The border is drawn outside the area, not in it.
|
|
//
|
|
//==========================================================================
|
|
|
|
void DrawFrame(F2DDrawer* twod, PalEntry color, int left, int top, int width, int height, int thickness)
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{
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// Sanity check for incomplete gameinfo
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int offset = thickness == -1 ? twod->GetHeight() / 400 : thickness;
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int right = left + width;
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int bottom = top + height;
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// Draw top and bottom sides.
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twod->AddColorOnlyQuad(left, top - offset, width, offset, color);
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twod->AddColorOnlyQuad(left - offset, top - offset, offset, height + 2 * offset, color);
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twod->AddColorOnlyQuad(left, bottom, width, offset, color);
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twod->AddColorOnlyQuad(right, top - offset, offset, height + 2 * offset, color);
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}
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DEFINE_ACTION_FUNCTION(_Screen, DrawLineFrame)
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|
{
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|
PARAM_PROLOGUE;
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PARAM_COLOR(color);
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PARAM_INT(left);
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|
PARAM_INT(top);
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PARAM_INT(width);
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|
PARAM_INT(height);
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|
PARAM_INT(thickness);
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DrawFrame(twod, color, left, top, width, height, thickness);
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return 0;
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|
}
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|
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void V_CalcCleanFacs(int designwidth, int designheight, int realwidth, int realheight, int* cleanx, int* cleany, int* _cx1, int* _cx2)
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{
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|
if (designheight < 240 && realheight >= 480) designheight = 240;
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|
*cleanx = *cleany = min(realwidth / designwidth, realheight / designheight);
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|
}
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|
|
|
|
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DEFINE_ACTION_FUNCTION(_Screen, SetOffset)
|
|
{
|
|
PARAM_PROLOGUE;
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|
PARAM_FLOAT(x);
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|
PARAM_FLOAT(y);
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|
ACTION_RETURN_VEC2(twod->SetOffset(DVector2(x, y)));
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|
} |