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581 lines
14 KiB
C
581 lines
14 KiB
C
// SONIC ROBO BLAST 2
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//-----------------------------------------------------------------------------
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// Copyright (C) 2014-2016 by John "JTE" Muniz.
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// Copyright (C) 2014-2023 by Sonic Team Junior.
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//
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// This program is free software distributed under the
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// terms of the GNU General Public License, version 2.
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// See the 'LICENSE' file for more details.
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//-----------------------------------------------------------------------------
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/// \file lua_hudlib_drawlist.c
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/// \brief a data structure for managing cached drawlists for the Lua hud lib
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#include "lua_hudlib_drawlist.h"
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#include <string.h>
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#include "v_video.h"
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#include "z_zone.h"
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enum drawitem_e {
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DI_Draw = 0,
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DI_DrawScaled,
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DI_DrawStretched,
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DI_DrawCropped,
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DI_DrawNum,
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DI_DrawPaddedNum,
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DI_DrawFill,
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DI_DrawString,
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DI_DrawNameTag,
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DI_DrawScaledNameTag,
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DI_DrawLevelTitle,
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DI_FadeScreen,
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DI_MAX,
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};
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// A single draw item with all possible arguments needed for a draw call.
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typedef struct drawitem_s {
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enum drawitem_e type;
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fixed_t x;
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fixed_t y;
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fixed_t w;
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fixed_t h;
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INT32 c;
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fixed_t scale;
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fixed_t hscale;
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fixed_t vscale;
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patch_t *patch;
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INT32 flags;
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UINT16 basecolor;
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UINT16 outlinecolor;
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UINT8 *colormap;
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UINT8 *basecolormap;
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UINT8 *outlinecolormap;
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fixed_t sx;
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fixed_t sy;
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INT32 num;
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INT32 digits;
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const char *str;
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UINT16 color;
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UINT8 strength;
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INT32 align;
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} drawitem_t;
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// The internal structure of a drawlist.
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struct huddrawlist_s {
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drawitem_t *items;
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size_t items_capacity;
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size_t items_len;
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char *strbuf;
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size_t strbuf_capacity;
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size_t strbuf_len;
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};
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// alignment types for v.drawString
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enum align {
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align_left = 0,
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align_center,
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align_right,
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align_fixed,
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align_fixedcenter,
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align_fixedright,
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align_small,
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align_smallfixed,
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align_smallfixedcenter,
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align_smallfixedright,
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align_smallcenter,
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align_smallright,
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align_smallthin,
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align_smallthincenter,
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align_smallthinright,
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align_smallthinfixed,
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align_smallthinfixedcenter,
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align_smallthinfixedright,
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align_thin,
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align_thinfixed,
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align_thinfixedcenter,
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align_thinfixedright,
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align_thincenter,
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align_thinright
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};
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huddrawlist_h LUA_HUD_CreateDrawList(void)
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{
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huddrawlist_h drawlist;
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drawlist = (huddrawlist_h) Z_Calloc(sizeof(struct huddrawlist_s), PU_STATIC, NULL);
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drawlist->items = NULL;
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drawlist->items_capacity = 0;
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drawlist->items_len = 0;
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drawlist->strbuf = NULL;
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drawlist->strbuf_capacity = 0;
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drawlist->strbuf_len = 0;
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return drawlist;
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}
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void LUA_HUD_ClearDrawList(huddrawlist_h list)
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{
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// rather than deallocate, we'll just save the existing allocation and empty
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// it out for reuse
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// this memset probably isn't necessary
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if (list->items)
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{
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memset(list->items, 0, sizeof(drawitem_t) * list->items_capacity);
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}
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list->items_len = 0;
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if (list->strbuf)
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{
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list->strbuf[0] = 0;
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}
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list->strbuf_len = 0;
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}
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void LUA_HUD_DestroyDrawList(huddrawlist_h list)
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{
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if (list == NULL) return;
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if (list->items)
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{
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Z_Free(list->items);
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}
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Z_Free(list);
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}
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boolean LUA_HUD_IsDrawListValid(huddrawlist_h list)
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{
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if (!list) return false;
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// that's all we can really do to check the validity of the handle right now
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return true;
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}
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static size_t AllocateDrawItem(huddrawlist_h list)
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{
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if (!list) I_Error("can't allocate draw item: invalid list");
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if (list->items_capacity <= list->items_len + 1)
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{
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if (list->items_capacity == 0) list->items_capacity = 128;
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else list->items_capacity *= 2;
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list->items = (drawitem_t *) Z_Realloc(list->items, sizeof(struct drawitem_s) * list->items_capacity, PU_STATIC, NULL);
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}
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return list->items_len++;
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}
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// copy string to list's internal string buffer
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// lua can deallocate the string before we get to use it, so it's important to
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// keep our own copy
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static const char *CopyString(huddrawlist_h list, const char* str)
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{
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size_t lenstr;
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if (!list) I_Error("can't allocate string; invalid list");
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lenstr = strlen(str);
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if (list->strbuf_capacity <= list->strbuf_len + lenstr + 1)
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{
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const char *old_offset = list->strbuf;
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size_t i;
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if (list->strbuf_capacity == 0) list->strbuf_capacity = 256;
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else list->strbuf_capacity *= 2;
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list->strbuf = (char*) Z_Realloc(list->strbuf, sizeof(char) * list->strbuf_capacity, PU_STATIC, NULL);
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// align the string pointers to make sure old pointers don't point towards invalid addresses
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// this is necessary since Z_ReallocAlign might actually move the string buffer in memory
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for (i = 0; i < list->items_len; i++)
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{
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list->items[i].str += list->strbuf - old_offset;
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}
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}
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const char *result = (const char *) &list->strbuf[list->strbuf_len];
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strncpy(&list->strbuf[list->strbuf_len], str, lenstr + 1);
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list->strbuf_len += lenstr + 1;
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return result;
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}
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void LUA_HUD_AddDraw(
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huddrawlist_h list,
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INT32 x,
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INT32 y,
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patch_t *patch,
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INT32 flags,
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UINT8 *colormap
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)
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{
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size_t i = AllocateDrawItem(list);
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drawitem_t *item = &list->items[i];
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item->type = DI_Draw;
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item->x = x;
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item->y = y;
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item->patch = patch;
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item->flags = flags;
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item->colormap = colormap;
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}
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void LUA_HUD_AddDrawScaled(
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huddrawlist_h list,
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fixed_t x,
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fixed_t y,
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fixed_t scale,
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patch_t *patch,
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INT32 flags,
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UINT8 *colormap
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)
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{
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size_t i = AllocateDrawItem(list);
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drawitem_t *item = &list->items[i];
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item->type = DI_DrawScaled;
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item->x = x;
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item->y = y;
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item->scale = scale;
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item->patch = patch;
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item->flags = flags;
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item->colormap = colormap;
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}
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void LUA_HUD_AddDrawStretched(
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huddrawlist_h list,
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fixed_t x,
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fixed_t y,
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fixed_t hscale,
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fixed_t vscale,
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patch_t *patch,
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INT32 flags,
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UINT8 *colormap
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)
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{
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size_t i = AllocateDrawItem(list);
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drawitem_t *item = &list->items[i];
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item->type = DI_DrawStretched;
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item->x = x;
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item->y = y;
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item->hscale = hscale;
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item->vscale = vscale;
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item->patch = patch;
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item->flags = flags;
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item->colormap = colormap;
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}
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void LUA_HUD_AddDrawCropped(
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huddrawlist_h list,
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fixed_t x,
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fixed_t y,
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fixed_t hscale,
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fixed_t vscale,
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patch_t *patch,
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INT32 flags,
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UINT8 *colormap,
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fixed_t sx,
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fixed_t sy,
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fixed_t w,
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fixed_t h
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)
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{
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size_t i = AllocateDrawItem(list);
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drawitem_t *item = &list->items[i];
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item->type = DI_DrawCropped;
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item->x = x;
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item->y = y;
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item->hscale = hscale;
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item->vscale = vscale;
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item->patch = patch;
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item->flags = flags;
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item->colormap = colormap;
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item->sx = sx;
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item->sy = sy;
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item->w = w;
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item->h = h;
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}
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void LUA_HUD_AddDrawNum(
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huddrawlist_h list,
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INT32 x,
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INT32 y,
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INT32 num,
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INT32 flags
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)
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{
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size_t i = AllocateDrawItem(list);
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drawitem_t *item = &list->items[i];
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item->type = DI_DrawNum;
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item->x = x;
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item->y = y;
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item->num = num;
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item->flags = flags;
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}
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void LUA_HUD_AddDrawPaddedNum(
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huddrawlist_h list,
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INT32 x,
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INT32 y,
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INT32 num,
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INT32 digits,
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INT32 flags
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)
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{
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size_t i = AllocateDrawItem(list);
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drawitem_t *item = &list->items[i];
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item->type = DI_DrawPaddedNum;
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item->x = x;
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item->y = y;
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item->num = num;
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item->digits = digits;
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item->flags = flags;
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}
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void LUA_HUD_AddDrawFill(
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huddrawlist_h list,
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INT32 x,
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INT32 y,
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INT32 w,
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INT32 h,
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INT32 c
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)
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{
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size_t i = AllocateDrawItem(list);
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drawitem_t *item = &list->items[i];
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item->type = DI_DrawFill;
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item->x = x;
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item->y = y;
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item->w = w;
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item->h = h;
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item->c = c;
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}
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void LUA_HUD_AddDrawString(
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huddrawlist_h list,
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fixed_t x,
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fixed_t y,
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const char *str,
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INT32 flags,
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INT32 align
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)
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{
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size_t i = AllocateDrawItem(list);
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drawitem_t *item = &list->items[i];
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item->type = DI_DrawString;
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item->x = x;
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item->y = y;
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item->str = CopyString(list, str);
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item->flags = flags;
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item->align = align;
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}
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void LUA_HUD_AddDrawNameTag(
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huddrawlist_h list,
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INT32 x,
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INT32 y,
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const char *str,
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INT32 flags,
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UINT16 basecolor,
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UINT16 outlinecolor,
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UINT8 *basecolormap,
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UINT8 *outlinecolormap
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)
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{
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size_t i = AllocateDrawItem(list);
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drawitem_t *item = &list->items[i];
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item->type = DI_DrawNameTag;
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item->x = x;
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item->y = y;
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item->str = CopyString(list, str);
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item->flags = flags;
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item->basecolor = basecolor;
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item->outlinecolor = outlinecolor;
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item->basecolormap = basecolormap;
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item->outlinecolormap = outlinecolormap;
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}
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void LUA_HUD_AddDrawScaledNameTag(
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huddrawlist_h list,
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fixed_t x,
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fixed_t y,
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const char *str,
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INT32 flags,
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fixed_t scale,
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UINT16 basecolor,
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UINT16 outlinecolor,
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UINT8 *basecolormap,
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UINT8 *outlinecolormap
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)
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{
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size_t i = AllocateDrawItem(list);
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drawitem_t *item = &list->items[i];
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item->type = DI_DrawScaledNameTag;
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item->x = x;
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item->y = y;
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item->str = CopyString(list, str);
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item->flags = flags;
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item->scale = scale;
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item->basecolor = basecolor;
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item->outlinecolor = outlinecolor;
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item->basecolormap = basecolormap;
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item->outlinecolormap = outlinecolormap;
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}
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void LUA_HUD_AddDrawLevelTitle(
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huddrawlist_h list,
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INT32 x,
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INT32 y,
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const char *str,
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INT32 flags
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)
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{
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size_t i = AllocateDrawItem(list);
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drawitem_t *item = &list->items[i];
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item->type = DI_DrawLevelTitle;
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item->x = x;
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item->y = y;
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item->str = CopyString(list, str);
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item->flags = flags;
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}
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void LUA_HUD_AddFadeScreen(
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huddrawlist_h list,
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UINT16 color,
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UINT8 strength
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)
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{
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size_t i = AllocateDrawItem(list);
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drawitem_t *item = &list->items[i];
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item->type = DI_FadeScreen;
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item->color = color;
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item->strength = strength;
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}
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void LUA_HUD_DrawList(huddrawlist_h list)
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{
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size_t i;
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if (!list) I_Error("HUD drawlist invalid");
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if (list->items_len <= 0) return;
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if (!list->items) I_Error("HUD drawlist->items invalid");
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for (i = 0; i < list->items_len; i++)
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{
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drawitem_t *item = &list->items[i];
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switch (item->type)
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{
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case DI_Draw:
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V_DrawFixedPatch(item->x<<FRACBITS, item->y<<FRACBITS, FRACUNIT, item->flags, item->patch, item->colormap);
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break;
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case DI_DrawScaled:
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V_DrawFixedPatch(item->x, item->y, item->scale, item->flags, item->patch, item->colormap);
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break;
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case DI_DrawStretched:
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V_DrawStretchyFixedPatch(item->x, item->y, item->hscale, item->vscale, item->flags, item->patch, item->colormap);
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break;
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case DI_DrawCropped:
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V_DrawCroppedPatch(item->x, item->y, item->hscale, item->vscale, item->flags, item->patch, item->colormap, item->sx, item->sy, item->w, item->h);
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break;
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case DI_DrawNum:
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V_DrawTallNum(item->x, item->y, item->flags, item->num);
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break;
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case DI_DrawPaddedNum:
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V_DrawPaddedTallNum(item->x, item->y, item->flags, item->num, item->digits);
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break;
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case DI_DrawFill:
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V_DrawFill(item->x, item->y, item->w, item->h, item->c);
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break;
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case DI_DrawString:
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switch(item->align)
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{
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// hu_font
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case align_left:
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V_DrawString(item->x, item->y, item->flags, item->str);
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break;
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case align_center:
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V_DrawCenteredString(item->x, item->y, item->flags, item->str);
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break;
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case align_right:
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V_DrawRightAlignedString(item->x, item->y, item->flags, item->str);
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break;
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case align_fixed:
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V_DrawStringAtFixed(item->x, item->y, item->flags, item->str);
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break;
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case align_fixedcenter:
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V_DrawCenteredStringAtFixed(item->x, item->y, item->flags, item->str);
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break;
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case align_fixedright:
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V_DrawRightAlignedStringAtFixed(item->x, item->y, item->flags, item->str);
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break;
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// hu_font, 0.5x scale
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case align_small:
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V_DrawSmallString(item->x, item->y, item->flags, item->str);
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break;
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case align_smallfixed:
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V_DrawSmallStringAtFixed(item->x, item->y, item->flags, item->str);
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break;
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case align_smallfixedcenter:
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V_DrawCenteredSmallStringAtFixed(item->x, item->y, item->flags, item->str);
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break;
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case align_smallfixedright:
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V_DrawRightAlignedSmallStringAtFixed(item->x, item->y, item->flags, item->str);
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break;
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case align_smallcenter:
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V_DrawCenteredSmallString(item->x, item->y, item->flags, item->str);
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break;
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case align_smallright:
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V_DrawRightAlignedSmallString(item->x, item->y, item->flags, item->str);
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break;
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case align_smallthin:
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V_DrawSmallThinString(item->x, item->y, item->flags, item->str);
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break;
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case align_smallthincenter:
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V_DrawCenteredSmallThinString(item->x, item->y, item->flags, item->str);
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break;
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case align_smallthinright:
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V_DrawRightAlignedSmallThinString(item->x, item->y, item->flags, item->str);
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break;
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case align_smallthinfixed:
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V_DrawSmallThinStringAtFixed(item->x, item->y, item->flags, item->str);
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break;
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case align_smallthinfixedcenter:
|
|
V_DrawCenteredSmallThinStringAtFixed(item->x, item->y, item->flags, item->str);
|
|
break;
|
|
case align_smallthinfixedright:
|
|
V_DrawRightAlignedSmallThinStringAtFixed(item->x, item->y, item->flags, item->str);
|
|
break;
|
|
// tny_font
|
|
case align_thin:
|
|
V_DrawThinString(item->x, item->y, item->flags, item->str);
|
|
break;
|
|
case align_thincenter:
|
|
V_DrawCenteredThinString(item->x, item->y, item->flags, item->str);
|
|
break;
|
|
case align_thinright:
|
|
V_DrawRightAlignedThinString(item->x, item->y, item->flags, item->str);
|
|
break;
|
|
case align_thinfixed:
|
|
V_DrawThinStringAtFixed(item->x, item->y, item->flags, item->str);
|
|
break;
|
|
case align_thinfixedcenter:
|
|
V_DrawCenteredThinStringAtFixed(item->x, item->y, item->flags, item->str);
|
|
break;
|
|
case align_thinfixedright:
|
|
V_DrawRightAlignedThinStringAtFixed(item->x, item->y, item->flags, item->str);
|
|
break;
|
|
}
|
|
break;
|
|
case DI_DrawNameTag:
|
|
V_DrawNameTag(item->x, item->y, item->flags, FRACUNIT, item->basecolormap, item->outlinecolormap, item->str);
|
|
break;
|
|
case DI_DrawScaledNameTag:
|
|
V_DrawNameTag(FixedInt(item->x), FixedInt(item->y), item->flags, item->scale, item->basecolormap, item->outlinecolormap, item->str);
|
|
break;
|
|
case DI_DrawLevelTitle:
|
|
V_DrawLevelTitle(item->x, item->y, item->flags, item->str);
|
|
break;
|
|
case DI_FadeScreen:
|
|
V_DrawFadeScreen(item->color, item->strength);
|
|
break;
|
|
default:
|
|
I_Error("can't draw draw list item: invalid draw list item type");
|
|
continue;
|
|
}
|
|
}
|
|
}
|