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foreground work

This commit is contained in:
t. boddy 2022-08-21 13:44:00 -04:00
parent dbd635fa26
commit 4211296f3b
2 changed files with 19 additions and 15 deletions
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2
src/background.h
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@ -30,7 +30,7 @@ fix16 bgPosXF[GAME_H_T];
static void scrollBg(){
for(u8 y = 0; y < GAME_H_T; y++){
if(y > 3) bgPosXF[y] = fix16Sub(bgPosXF[y], BG_SPEED);
if(y > 2) bgPosXF[y] = fix16Sub(bgPosXF[y], BG_SPEED);
if(bgPosXF[y] <= -BG_SIZE_F) bgPosXF[y] = fix16Add(bgPosXF[y], BG_SIZE_F);
bgPosX[y] = fix16ToInt(bgPosXF[y]);
}

32
src/foreground.h
View File

@ -26,18 +26,24 @@ SpriteDefinition* currentBottomImage;
static void drawFg(){
switch(currentFg){
case 0:
currentTopImage = &rock1Top;
currentBottomImage = &rock1Bottom;
VDP_loadTileSet(rock1Top.tileset, FG_I, DMA);
VDP_loadTileSet(rock1Bottom.tileset, FG_I + 16, DMA);
break;
case 1:
currentTopImage = &rock2Top;
currentBottomImage = &rock2Bottom;
VDP_loadTileSet(rock2Top.tileset, FG_I, DMA);
VDP_loadTileSet(rock2Bottom.tileset, FG_I + 16, DMA);
break;
}
for(u16 x = 0; x < FG_W; x++){
if(x % 4 == 0){
VDP_drawImageEx(BG_B, currentTopImage, TILE_ATTR_FULL(PAL2, 1, 0, 0, FG_I), x, CEIL_Y, 0, DMA);
VDP_drawImageEx(BG_B, currentBottomImage, TILE_ATTR_FULL(PAL2, 1, 0, 0, FG_I + 16), x, FLOOR_Y, 0, DMA);
for(s16 i = 0; i < 4; i++){
for(s16 j = 0; j < 4; j++){
VDP_setTileMapXY(BG_B, TILE_ATTR_FULL(PAL2, 1, 0, 0, FG_I + i + 4 * j), x + i, CEIL_Y + j);
VDP_setTileMapXY(BG_B, TILE_ATTR_FULL(PAL2, 1, 0, 0, FG_I + 16 + i + 4 * j), x + i, FLOOR_Y + j);
}
}
}
}
}
@ -91,17 +97,15 @@ static void spawnObstacle(bool top, s16 offset, u8 type){
#define OBSTACLE_MOD FIX16(8)
#define OBSTACLE_LIMIT_X FIX16(-64)
SpriteDefinition* obstacleImage;
static void killObstacle(s16 i){
obstacles[i].active = FALSE;
VDP_clearTileMapRect(BG_B, obstacles[i].startX, obstacles[i].top ? OBS_CEIL_Y + 4 : OBS_FLOOR_Y, 4, 4);
VDP_drawImageEx(BG_B,
obstacles[i].top ? currentTopImage : currentBottomImage,
TILE_ATTR_FULL(PAL2, 1, 0, 0, FG_I + (obstacles[i].top ? 0 : 16)),
obstacles[i].startX,
obstacles[i].top ? CEIL_Y : FLOOR_Y,
0, DMA_QUEUE);
for(s16 h = 0; h < 4; h++){
for(s16 j = 0; j < 4; j++){
if(obstacles[i].top) VDP_setTileMapXY(BG_B, TILE_ATTR_FULL(PAL2, 1, 0, 0, FG_I + h + 4 * j), obstacles[i].startX + h, CEIL_Y + j);
else VDP_setTileMapXY(BG_B, TILE_ATTR_FULL(PAL2, 1, 0, 0, FG_I + 16 + h + 4 * j), obstacles[i].startX + h, FLOOR_Y + j);
}
}
}
static void collideObstacle(s16 i){