src/bz/gfx/drawing.c

   1 #include <bz/gfx/drawing.h>
   2
   3 #include <bz/math/math.h>
   4 #include <bz/gfx/gfx.h>
   5 #include <bz/gfx/tilemap.h>
   6 #include <string.h>
   7
   8 #define DRAW_DATA(name, members, ...) \
   9         struct data##name { members; }; typedef struct data##name data##name; \
  10         static void dispatch##name(void *userParam) { data##name *data = (data##name *)userParam; name(__VA_ARGS__); } \
  11
  12 #define DRAW_DATA_DISPATCH(drawQueue, name, ...) \
  13         if (drawQueue != NULL) { \
  14                 data##name *data = (data##name *)bzGfxDrawQueueEnqueue(drawQueue, sortIdx, dispatch##name, sizeof(data##name)); \
  15                 *data = (data##name){ __VA_ARGS__ }; \
  16         } else {  \
  17                 name(__VA_ARGS__); \
  18         }
  19
  20 DRAW_DATA(bzPSet, float x; float y; int c, data->x, data->y, data->c)
  21 DRAW_DATA(bzCls, uint8_t c, data->c)
  22 DRAW_DATA(bzCamera, float x; float y, data->x, data->y)
  23 DRAW_DATA(bzCirc, int x; int y; int r; int c, data->x, data->y, data->r, data->c)
  24 DRAW_DATA(bzCircFill, int x; int y; int r; int c, data->x, data->y, data->r, data->c)
  25 DRAW_DATA(bzLine, int x0; int y0; int x1; int y1; int c, data->x0, data->y0, data->x1, data->y1, data->c)
  26 DRAW_DATA(bzRect, int x0; int y0; int x1; int y1; int c, data->x0, data->y0, data->x1, data->y1, data->c)
  27 DRAW_DATA(bzRectFill, int x0; int y0; int x1; int y1; int c, data->x0, data->y0, data->x1, data->y1, data->c)
  28 DRAW_DATA(bzTriangle, int x0; int y0; int x1; int y1; int x2; int y2; int c, data->x0, data->y0, data->x1, data->y1, data->x2, data->y2, data->c)
  29 DRAW_DATA(bzSpr, int n; int x; int y, data->n, data->x, data->y)
  30 DRAW_DATA(bzSprExt, int n; int x; int y; int w; int h; bool flipX; bool flipY, data->n, data->x, data->y, data->w, data->h, data->flipX, data->flipY)
  31 DRAW_DATA(bzSSpr, int sx; int sy; int sw; int sh; int dx; int dy, data->sx, data->sy, data->sw, data->sh, data->dx, data->dy)
  32 DRAW_DATA(bzSSprExt, int sx; int sy; int sw; int sh; int dx; int dy; int dw; int dh; bool flipX; bool flipY, data->sx, data->sy, data->sw, data->sh, data->dx, data->dy, data->dw, data->dh, data->flipX, data->flipY)
  33 DRAW_DATA(bzPrint, int x; int y; int c; char string[], data->x, data->y, data->c, data->string)
  34 DRAW_DATA(bzFillP, uint16_t p, data->p)
  35 DRAW_DATA(bzSetPaletteColor, int palette; int colorIdx; int color, data->palette, data->colorIdx, data->color)
  36 DRAW_DATA(bzSetOutputBuffer, int idx, data->idx)
  37 DRAW_DATA(bzGfxMap, BZTilemapID tilemap; int tx; int ty; int x; int y; int mw; int mh; BZIdentifierHash tag, data->tilemap, data->tx, data->ty, data->x, data->y, data->mw, data->mh, data->tag)
  38
  39 void bzDrawPSet(BZDrawQueueID drawQueue, uint8_t sortIdx, const BZMatrix *mtx, float x, float y, int c) {
  40         BZVector pos = bzVectorMake(x, y);
  41         bzMatrixTransformVector(&pos, &pos, mtx);
  42         DRAW_DATA_DISPATCH(drawQueue, bzPSet, pos.x, pos.y, c)
  43 }
  44
  45 void bzDrawCls(BZDrawQueueID drawQueue, uint8_t sortIdx, const BZMatrix *mtx, uint8_t c) {
  46         DRAW_DATA_DISPATCH(drawQueue, bzCls, c)
  47 }
  48
  49 void bzDrawCamera(BZDrawQueueID drawQueue, uint8_t sortIdx, const BZMatrix *mtx, float x, float y) {
  50         DRAW_DATA_DISPATCH(drawQueue, bzCamera, x, y)
  51 }
  52
  53 void bzDrawCirc(BZDrawQueueID drawQueue, uint8_t sortIdx, const BZMatrix *mtx, int x, int y, int r, int c) {
  54         BZVector pos = bzVectorMake(x, y);
  55         BZVector radius = bzVectorMake(r, 0);
  56         bzMatrixTransformVector(&pos, &pos, mtx);
  57         bzMatrixScaleRotateVector(&radius, &radius, mtx);
  58         DRAW_DATA_DISPATCH(drawQueue, bzCirc, pos.x, pos.y, bzVectorMagnitude(&radius), c) // FIXME, RADIUS
  59 }
  60
  61 void bzDrawCircFill(BZDrawQueueID drawQueue, uint8_t sortIdx, const BZMatrix *mtx, int x, int y, int r, int c) {
  62         BZVector pos = bzVectorMake(x, y);
  63         BZVector radius = bzVectorMake(r, 0);
  64         bzMatrixTransformVector(&pos, &pos, mtx);
  65         bzMatrixScaleRotateVector(&radius, &radius, mtx);
  66         DRAW_DATA_DISPATCH(drawQueue, bzCircFill, pos.x, pos.y, bzVectorMagnitude(&radius), c) // FIXME, RADIUS
  67 }
  68
  69 void bzDrawLine(BZDrawQueueID drawQueue, uint8_t sortIdx, const BZMatrix *mtx, int x0, int y0, int x1, int y1, int c) {
  70         BZVector pos0 = bzVectorMake(x0, y0);
  71         BZVector pos1 = bzVectorMake(x1, y1);
  72         bzMatrixTransformVector(&pos0, &pos0, mtx);
  73         bzMatrixTransformVector(&pos1, &pos1, mtx);
  74         DRAW_DATA_DISPATCH(drawQueue, bzLine, pos0.x, pos0.y, pos1.x, pos1.y, c)
  75 }
  76
  77 void bzDrawRect(BZDrawQueueID drawQueue, uint8_t sortIdx, const BZMatrix *mtx, int x0, int y0, int x1, int y1, int c) {
  78         BZVector pos0 = bzVectorMake(x0, y0);
  79         BZVector pos1 = bzVectorMake(x1, y1);
  80         bzMatrixTransformVector(&pos0, &pos0, mtx);
  81         bzMatrixTransformVector(&pos1, &pos1, mtx);
  82         DRAW_DATA_DISPATCH(drawQueue, bzRect, pos0.x, pos0.y, pos1.x, pos1.y, c) // FIXME, rotation??
  83 }
  84
  85 void bzDrawRectFill(BZDrawQueueID drawQueue, uint8_t sortIdx, const BZMatrix *mtx, int x0, int y0, int x1, int y1, int c) {
  86         BZVector pos0 = bzVectorMake(x0, y0);
  87         BZVector pos1 = bzVectorMake(x1, y1);
  88         bzMatrixTransformVector(&pos0, &pos0, mtx);
  89         bzMatrixTransformVector(&pos1, &pos1, mtx);
  90         DRAW_DATA_DISPATCH(drawQueue, bzRectFill, pos0.x, pos0.y, pos1.x, pos1.y, c) // FIXME, rotation??
  91 }
  92
  93 void bzDrawTriangle(BZDrawQueueID drawQueue, uint8_t sortIdx, const BZMatrix *mtx, int x0, int y0, int x1, int y1, int x2, int y2, int c) {
  94         BZVector pos0 = bzVectorMake(x0, y0);
  95         BZVector pos1 = bzVectorMake(x1, y1);
  96         BZVector pos2 = bzVectorMake(x2, y2);
  97         bzMatrixTransformVector(&pos0, &pos0, mtx);
  98         bzMatrixTransformVector(&pos1, &pos1, mtx);
  99         bzMatrixTransformVector(&pos2, &pos2, mtx);
 100         DRAW_DATA_DISPATCH(drawQueue, bzTriangle, pos0.x, pos0.y, pos1.x, pos1.y, pos2.x, pos2.y, c)
 101 }
 102
 103 void bzDrawSpr(BZDrawQueueID drawQueue, uint8_t sortIdx, const BZMatrix *mtx, int n, int x, int y) {
 104         DRAW_DATA_DISPATCH(drawQueue, bzSpr, n, x, y)
 105 }
 106
 107 void bzDrawSprExt(BZDrawQueueID drawQueue, uint8_t sortIdx, const BZMatrix *mtx, int n, int x, int y, int w, int h, bool flipX, bool flipY) {
 108         DRAW_DATA_DISPATCH(drawQueue, bzSprExt, n, x, y, w, h, flipX, flipY)
 109 }
 110
 111 void bzDrawSSpr(BZDrawQueueID drawQueue, uint8_t sortIdx, const BZMatrix *mtx, int sx, int sy, int sw, int sh, int dx, int dy) {
 112         DRAW_DATA_DISPATCH(drawQueue, bzSSpr, sx, sy, sw, sh, dx, dy)
 113 }
 114
 115 void bzDrawSSprExt(BZDrawQueueID drawQueue, uint8_t sortIdx, const BZMatrix *mtx, int sx, int sy, int sw, int sh, int dx, int dy, int dw, int dh, bool flipX, bool flipY) {
 116         DRAW_DATA_DISPATCH(drawQueue, bzSSprExt, sx, sy, sw, sh, dx, dy, dw, dh, flipX, flipY)
 117 }
 118
 119 void bzDrawPrint(BZDrawQueueID drawQueue, uint8_t sortIdx, const BZMatrix *mtx, int x, int y, int color, const char *text) {
 120         BZVector pos = bzVectorMake(x, y);
 121         bzMatrixTransformVector(&pos, &pos, mtx);
 122         if (drawQueue != NULL) {
 123                 size_t dataSize = sizeof(databzPrint) + strlen(text);
 124                 databzPrint *data = (databzPrint *)bzGfxDrawQueueEnqueue(drawQueue, sortIdx, dispatchbzPrint, dataSize);
 125                 data->x = pos.x;
 126                 data->y = pos.y;
 127                 data->c = color;
 128                 strcpy(data->string, text);
 129         } else {
 130                 bzPrint(pos.x, pos.y, color, text);
 131         }
 132 }
 133
 134 void bzDrawFillP(BZDrawQueueID drawQueue, uint8_t sortIdx, const BZMatrix *mtx, uint16_t p) {
 135         DRAW_DATA_DISPATCH(drawQueue, bzFillP, p)
 136 }
 137
 138 void bzDrawSetPaletteColor(BZDrawQueueID drawQueue, uint8_t sortIdx, const BZMatrix *mtx, int palette, int colorIdx, int color) {
 139         DRAW_DATA_DISPATCH(drawQueue, bzSetPaletteColor, palette, colorIdx, color)
 140 }
 141
 142 void bzDrawSetOutputBuffer(BZDrawQueueID drawQueue, uint8_t sortIdx, const BZMatrix *mtx, int idx) {
 143         DRAW_DATA_DISPATCH(drawQueue, bzSetOutputBuffer, idx)
 144 }
 145
 146 void bzDrawMap(BZDrawQueueID drawQueue, uint8_t sortIdx, const BZMatrix *mtx, BZTilemapID tilemap, int tx, int ty, int x, int y, int mw, int mh, BZIdentifierHash tag) {
 147         DRAW_DATA_DISPATCH(drawQueue, bzGfxMap, tilemap, tx, ty, x, y, mw, mh, tag)
 148 }