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raze-gles/source/core/2d/v_draw.cpp

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- added GZDoom's 2D drawer to the project. So that for anything new I don't have to bother with the awful 2D interface Build provides.
2019-10-23 20:51:11 +00:00
/*
** v_draw.cpp
** Draw patches and blocks to a canvas
**
**---------------------------------------------------------------------------
** Copyright 1998-2008 Randy Heit
** Copyright 2005-2019 Christoph Oelckers
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
#include <stdio.h>
#include <stdarg.h>
#include "c_cvars.h"
#include "drawparms.h"
#include "templates.h"
#include "v_draw.h"
- fixed all undefined symbols except OpenGLFrameBuffer.
2019-12-23 09:53:58 +00:00
#include "v_video.h"
- added GZDoom's 2D drawer to the project. So that for anything new I don't have to bother with the awful 2D interface Build provides.
2019-10-23 20:51:11 +00:00
CUSTOM_CVAR(Int, uiscale, 0, CVAR_ARCHIVE | CVAR_NOINITCALL)
{
if (self < 0)
{
self = 0;
return;
}
//setsizeneeded = true;
}
int GetUIScale(int altval)
{
int scaleval;
if (altval > 0) scaleval = altval;
else if (uiscale == 0)
{
// Default should try to scale to 640x400
int vscale = screen->GetHeight() / 400;
int hscale = screen->GetWidth() / 640;
scaleval = clamp(vscale, 1, hscale);
}
else scaleval = uiscale;
// block scales that result in something larger than the current screen.
int vmax = screen->GetHeight() / 200;
int hmax = screen->GetWidth() / 320;
int max = std::max(vmax, hmax);
return std::max(1,std::min(scaleval, max));
}
// The new console font is twice as high, so the scaling calculation must factor that in.
int GetConScale(int altval)
{
int scaleval;
if (altval > 0) scaleval = (altval+1) / 2;
else if (uiscale == 0)
{
// Default should try to scale to 640x400
int vscale = screen->GetHeight() / 800;
int hscale = screen->GetWidth() / 1280;
scaleval = clamp(vscale, 1, hscale);
}
else scaleval = (uiscale+1) / 2;
// block scales that result in something larger than the current screen.
int vmax = screen->GetHeight() / 400;
int hmax = screen->GetWidth() / 640;
int max = std::max(vmax, hmax);
return std::max(1, std::min(scaleval, max));
}
// [RH] Stretch values to make a 320x200 image best fit the screen
// without using fractional steppings
int CleanXfac, CleanYfac;
// [RH] Effective screen sizes that the above scale values give you
int CleanWidth, CleanHeight;
// Above minus 1 (or 1, if they are already 1)
int CleanXfac_1, CleanYfac_1, CleanWidth_1, CleanHeight_1;
//==========================================================================
//
// Draw parameter parsing
//
//==========================================================================
bool SetTextureParms(DrawParms *parms, FTexture *img, double xx, double yy)
{
if (img != NULL)
{
parms->x = xx;
parms->y = yy;
- more trivial adjustments.
2020-05-23 22:38:10 +00:00
parms->texwidth = img->GetDisplayWidth();
parms->texheight = img->GetDisplayHeight();
- added GZDoom's 2D drawer to the project. So that for anything new I don't have to bother with the awful 2D interface Build provides.
2019-10-23 20:51:11 +00:00
if (parms->top == INT_MAX || parms->fortext)
{
- reorganized how BuildTiles stores its data. Arrays of struct are better than struct of arrays.
2020-05-24 13:02:20 +00:00
parms->top = img->GetDisplayTopOffset();
- added GZDoom's 2D drawer to the project. So that for anything new I don't have to bother with the awful 2D interface Build provides.
2019-10-23 20:51:11 +00:00
}
if (parms->left == INT_MAX || parms->fortext)
{
- reorganized how BuildTiles stores its data. Arrays of struct are better than struct of arrays.
2020-05-24 13:02:20 +00:00
parms->left = img->GetDisplayLeftOffset();
- added GZDoom's 2D drawer to the project. So that for anything new I don't have to bother with the awful 2D interface Build provides.
2019-10-23 20:51:11 +00:00
}
if (parms->destwidth == INT_MAX || parms->fortext)
{
- more trivial adjustments.
2020-05-23 22:38:10 +00:00
parms->destwidth = img->GetDisplayWidth();
- added GZDoom's 2D drawer to the project. So that for anything new I don't have to bother with the awful 2D interface Build provides.
2019-10-23 20:51:11 +00:00
}
if (parms->destheight == INT_MAX || parms->fortext)
{
- more trivial adjustments.
2020-05-23 22:38:10 +00:00
parms->destheight = img->GetDisplayHeight();
- added GZDoom's 2D drawer to the project. So that for anything new I don't have to bother with the awful 2D interface Build provides.
2019-10-23 20:51:11 +00:00
}
switch (parms->cleanmode)
{
default:
break;
case DTA_Clean:
parms->x = (parms->x - 160.0) * CleanXfac + (screen->GetWidth() * 0.5);
parms->y = (parms->y - 100.0) * CleanYfac + (screen->GetHeight() * 0.5);
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_Fullscreen:
parms->x = parms->y = 0;
break;
}
if (parms->virtWidth != screen->GetWidth() || parms->virtHeight != screen->GetHeight())
{
VirtualToRealCoords(parms->x, parms->y, parms->destwidth, parms->destheight,
parms->virtWidth, parms->virtHeight, parms->virtBottom, !parms->keepratio);
}
}
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);
}
//==========================================================================
//
// Main taglist parsing
//
//==========================================================================
bool ParseDrawTextureTags(FTexture *img, double x, double y, uint32_t tag, Va_List& tags, DrawParms *parms, bool fortext)
{
int boolval;
int intval;
bool translationset = false;
bool fillcolorset = false;
if (!fortext)
{
if (img == NULL)
{
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 = screen->GetHeight();
parms->uclip = 0;
parms->lclip = 0;
parms->rclip = screen->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->colorOverlay = 0;
parms->alphaChannel = false;
parms->flipX = false;
parms->flipY = false;
parms->color = 0xffffffff;
//parms->shadowAlpha = 0;
parms->shadowColor = 0;
parms->virtWidth = screen->GetWidth();
parms->virtHeight = screen->GetHeight();
parms->keepratio = false;
parms->style.BlendOp = 255; // Dummy "not set" value
parms->masked = true;
parms->bilinear = false;
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;
- hooked up the 2D drawer compiles but not tested yet.
2019-11-05 22:35:38 +00:00
parms->remap = -1;
- added GZDoom's 2D drawer to the project. So that for anything new I don't have to bother with the awful 2D interface Build provides.
2019-10-23 20:51:11 +00:00
// 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:
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_Fullscreen:
boolval = ListGetInt(tags);
if (boolval)
{
assert(fortext == false);
if (img == NULL) return false;
parms->cleanmode = DTA_Fullscreen;
- more trivial adjustments.
2020-05-23 22:38:10 +00:00
parms->virtWidth = img->GetDisplayWidth();
parms->virtHeight = img->GetDisplayHeight();
- added GZDoom's 2D drawer to the project. So that for anything new I don't have to bother with the awful 2D interface Build provides.
2019-10-23 20:51:11 +00:00
}
break;
case DTA_Alpha:
parms->Alpha = (float)(std::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;
}
break;
case DTA_TranslationIndex:
parms->remap = 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_SrcX:
- more trivial adjustments.
2020-05-23 22:38:10 +00:00
parms->srcx = ListGetDouble(tags) / img->GetDisplayWidth();
- added GZDoom's 2D drawer to the project. So that for anything new I don't have to bother with the awful 2D interface Build provides.
2019-10-23 20:51:11 +00:00
break;
case DTA_SrcY:
- more trivial adjustments.
2020-05-23 22:38:10 +00:00
parms->srcy = ListGetDouble(tags) / img->GetDisplayHeight();
- added GZDoom's 2D drawer to the project. So that for anything new I don't have to bother with the awful 2D interface Build provides.
2019-10-23 20:51:11 +00:00
break;
case DTA_SrcWidth:
- more trivial adjustments.
2020-05-23 22:38:10 +00:00
parms->srcwidth = ListGetDouble(tags) / img->GetDisplayWidth();
- added GZDoom's 2D drawer to the project. So that for anything new I don't have to bother with the awful 2D interface Build provides.
2019-10-23 20:51:11 +00:00
break;
case DTA_SrcHeight:
- more trivial adjustments.
2020-05-23 22:38:10 +00:00
parms->srcheight = ListGetDouble(tags) / img->GetDisplayHeight();
- added GZDoom's 2D drawer to the project. So that for anything new I don't have to bother with the awful 2D interface Build provides.
2019-10-23 20:51:11 +00:00
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_CenterOffset:
assert(fortext == false);
if (fortext) return false;
if (ListGetInt(tags))
{
- more trivial adjustments.
2020-05-23 22:38:10 +00:00
parms->left = img->GetDisplayWidth() * 0.5;
parms->top = img->GetDisplayHeight() * 0.5;
- added GZDoom's 2D drawer to the project. So that for anything new I don't have to bother with the awful 2D interface Build provides.
2019-10-23 20:51:11 +00:00
}
break;
case DTA_CenterBottomOffset:
assert(fortext == false);
if (fortext) return false;
if (ListGetInt(tags))
{
- more trivial adjustments.
2020-05-23 22:38:10 +00:00
parms->left = img->GetDisplayWidth() * 0.5;
parms->top = img->GetDisplayHeight();
- added GZDoom's 2D drawer to the project. So that for anything new I don't have to bother with the awful 2D interface Build provides.
2019-10-23 20:51:11 +00:00
}
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 > screen->GetHeight())
{
parms->dclip = screen->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 > screen->GetWidth())
{
parms->rclip = screen->GetWidth();
}
break;
case DTA_ShadowAlpha:
//parms->shadowAlpha = (float)std::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_Masked:
parms->masked = ListGetInt(tags);
break;
case DTA_BilinearFilter:
parms->bilinear = ListGetInt(tags);
break;
case DTA_KeepRatio:
// I think this is a terribly misleading name, since it actually turns
// *off* aspect ratio correction.
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_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;
}
tag = ListGetInt(tags);
}
ListEnd(tags);
if (parms->uclip >= parms->dclip || parms->lclip >= parms->rclip)
{
return false;
}
if (img != NULL)
{
SetTextureParms(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;
}
}
- removed the complete crosshair color hackery. The code needs to be refactored anyway to allow better crosshair control but this also seemed to affect global render state, considering how poorly it was all implemented.
2020-01-18 15:13:39 +00:00
else //if (parms->Alpha < 1.f)
- added GZDoom's 2D drawer to the project. So that for anything new I don't have to bother with the awful 2D interface Build provides.
2019-10-23 20:51:11 +00:00
{
parms->style = STYLE_Translucent;
}
- removed the complete crosshair color hackery. The code needs to be refactored anyway to allow better crosshair control but this also seemed to affect global render state, considering how poorly it was all implemented.
2020-01-18 15:13:39 +00:00
/*
- added GZDoom's 2D drawer to the project. So that for anything new I don't have to bother with the awful 2D interface Build provides.
2019-10-23 20:51:11 +00:00
else
{
parms->style = STYLE_Normal;
}
- removed the complete crosshair color hackery. The code needs to be refactored anyway to allow better crosshair control but this also seemed to affect global render state, considering how poorly it was all implemented.
2020-01-18 15:13:39 +00:00
*/
- added GZDoom's 2D drawer to the project. So that for anything new I don't have to bother with the awful 2D interface Build provides.
2019-10-23 20:51:11 +00:00
}
return true;
}
//==========================================================================
//
// Coordinate conversion
//
//==========================================================================
void VirtualToRealCoords(double &x, double &y, double &w, double &h,
double vwidth, double vheight, bool vbottom, bool handleaspect)
{
float myratio = handleaspect ? ActiveRatio (screen->GetWidth(), screen->GetHeight()) : (4.0f / 3.0f);
// if 21:9 AR, map to 16:9 for all callers.
// this allows for black bars and stops the stretching of fullscreen images
if (myratio > 1.7f) {
myratio = 16.0f / 9.0f;
}
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) * screen->GetWidth() * 960 / (vwidth * AspectBaseWidth(myratio)) + screen->GetWidth() * 0.5;
w = (right - vwidth * 0.5) * screen->GetWidth() * 960 / (vwidth * AspectBaseWidth(myratio)) + screen->GetWidth() * 0.5 - x;
}
else
{
x = x * screen->GetWidth() / vwidth;
w = right * screen->GetWidth() / vwidth - x;
}
if (AspectTallerThanWide(myratio))
{ // The target surface is 5:4
y = (y - vheight * 0.5) * screen->GetHeight() * 600 / (vheight * AspectBaseHeight(myratio)) + screen->GetHeight() * 0.5;
h = (bottom - vheight * 0.5) * screen->GetHeight() * 600 / (vheight * AspectBaseHeight(myratio)) + screen->GetHeight() * 0.5 - y;
if (vbottom)
{
y += (screen->GetHeight() - screen->GetHeight() * AspectMultiplier(myratio) / 48.0) * 0.5;
}
}
else
{
y = y * screen->GetHeight() / vheight;
h = bottom * screen->GetHeight() / vheight - y;
}
}
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