Add nelson to SDL version

2 files changed, 46 insertions, 9 deletions

diff --git a/src/all.c b/src/all.c
index 6e1525a..7ed292e 100644
--- a/src/all.c
+++ b/src/all.c
@@ -134,15 +134,47 @@ static DrawList *render(State *state, UI *ui, Arena *a) {
 
 	for (int x = 0; x < GRIDWIDTH; x++) {
 		for (int y = 0; y < GRIDHEIGHT; y++) {
-			for (int subx = 0; subx < 2; subx++) {
-				for (int suby = 0; suby < 2; suby++) {
-					drawList->els[drawList->len++] = (DrawElement) {
-						.x = cellWidth * x + GRID_OFFSET_X + subx * cellWidth / 2,
-						.y = cellHeight * y + suby * cellHeight / 2,
-						.w = cellWidth / 2 + (1 - subx),
-						.h = cellHeight / 2 + (1 - suby),
-						.fill = colors[state->grid[x + GRIDWIDTH * y]][subx + 2 * suby],
-					};
+			int image;
+			switch (state->grid[x + GRIDWIDTH * y]) {
+				case RED:
+					image = IMAGE_NELSON;
+					break;
+				case RED_LEFT:
+					image = IMAGE_NELSON_LEFT;
+					break;
+				case RED_UP:
+					image = IMAGE_NELSON_UP;
+					break;
+				case RED_RIGHT:
+					image = IMAGE_NELSON_RIGHT;
+					break;
+				case RED_DOWN:
+					image = IMAGE_NELSON_DOWN;
+					break;
+				default:
+					image = 0;
+					break;
+			}
+
+			if (image) {
+				drawList->els[drawList->len++] = (DrawElement) {
+					.x = cellWidth * x + GRID_OFFSET_X,
+					.y = cellHeight * y,
+					.w = cellWidth,
+					.h = cellHeight,
+					.image = image,
+				};
+			} else {
+				for (int subx = 0; subx < 2; subx++) {
+					for (int suby = 0; suby < 2; suby++) {
+						drawList->els[drawList->len++] = (DrawElement) {
+							.x = cellWidth * x + GRID_OFFSET_X + subx * cellWidth / 2,
+							.y = cellHeight * y + suby * cellHeight / 2,
+							.w = cellWidth / 2 + (1 - subx),
+							.h = cellHeight / 2 + (1 - suby),
+							.fill = colors[state->grid[x + GRIDWIDTH * y]][subx + 2 * suby],
+						};
+					}
 				}
 			}
 		}
diff --git a/src/types.c b/src/types.c
index bee6b05..d2a7575 100644
--- a/src/types.c
+++ b/src/types.c
@@ -55,6 +55,11 @@ enum {
 	IMAGE_PAUSE,
 	IMAGE_PLAY,
 	IMAGE_RETRY,
+	IMAGE_NELSON,
+	IMAGE_NELSON_LEFT,
+	IMAGE_NELSON_UP,
+	IMAGE_NELSON_RIGHT,
+	IMAGE_NELSON_DOWN,
 	N_IMAGES,
 };