some background/foreground work

res/resources.res

@@ -1,8 +1,10 @@
 IMAGE font "font.png" BEST NONE
+IMAGE frame "chrome/frame.png" FAST
 
-IMAGE bgWall1 "bg/wall1.png" FAST
+IMAGE wall1 "bg/wall1.png" FAST
-IMAGE bgCeil1 "bg/ceil1.png" FAST
+
-IMAGE bgFloor1 "bg/floor1.png" FAST
+IMAGE rock1 "fg/rock1.png" FAST
+IMAGE rock1t "fg/rock1t.png" FAST
 
 SPRITE nitori "player/nitori.png" 4 4 FAST
 

src/background.h

@@ -1,4 +1,4 @@
-// bg
+// background
 
 #define BG_I 512
 
@@ -11,16 +11,7 @@
 static void drawBg(){
 	for(u16 x = 0; x < BG_W; x++) for(u16 y = 0; y < BG_H; y++){
 		if(x % 8 == 0 && y % 8 == 0){
-			VDP_drawImageEx(BG_B, &bgWall1, TILE_ATTR_FULL(PAL2, 0, 0, 0, BG_I), x, y, 0, DMA);
+			VDP_drawImageEx(BG_A, &wall1, TILE_ATTR_FULL(PAL2, 0, 0, 0, BG_I), x, y, 0, DMA);
-		}
-	}
-}
-
-static void drawFg(){
-	for(u16 x = 0; x < BG_W; x++){
-		if(x % 4 == 0){
-			VDP_drawImageEx(BG_A, &bgCeil1, TILE_ATTR_FULL(PAL2, 0, 0, 0, BG_I + 64), x, 0, 0, DMA);
-			VDP_drawImageEx(BG_A, &bgFloor1, TILE_ATTR_FULL(PAL2, 0, 0, 0, BG_I + 64 + 12), x, 21, 0, DMA);
 		}
 	}
 }
@@ -28,7 +19,6 @@ static void drawFg(){
 
 // update
 
-
 #define BG_SPEED FIX16(1)
 #define BG_SPEED_NORM FIX16(0.707)
 
@@ -36,24 +26,27 @@ static void drawFg(){
 
 #define BG_SIZE_F FIX16(BG_SIZE)
 
+s16 bgPosX[WIN_H_T];
+fix16 bgPosXF[WIN_H_T];
 Vect2D_f16 bgPos;
 
 static void scrollBg(){
-	bgPos.x = fix16Sub(bgPos.x, BG_SPEED);
+
-	// bgPos.y = fix16Add(bgPos.y, BG_SPEED_NORM);
+	for(u8 y = 0; y < WIN_H_T; y++){
-	if(bgPos.x <= -BG_SIZE_F) bgPos.x = fix16Add(bgPos.x, BG_SIZE_F);
+		if(y > 3) bgPosXF[y] = fix16Sub(bgPosXF[y], BG_SPEED);
-	if(bgPos.y >= BG_SIZE_F) bgPos.y = fix16Sub(bgPos.y, BG_SIZE_F);
+		if(bgPosXF[y] <= -BG_SIZE_F) bgPosXF[y] = fix16Add(bgPosXF[y], BG_SIZE_F);
+		bgPosX[y] = fix16ToInt(bgPosXF[y]);
+	}
 }
 
 // loop
 
 void loadBg(){
+	VDP_setScrollingMode(HSCROLL_TILE, VSCROLL_PLANE);
 	drawBg();
-	drawFg();
 }
 
 void updateBg(){
-	VDP_setHorizontalScroll(BG_B, fix16ToInt(bgPos.x));
+	VDP_setHorizontalScrollTile(BG_A, 0, bgPosX, WIN_H_T, DMA);
-	VDP_setVerticalScroll(BG_B, fix16ToInt(bgPos.y));
 	scrollBg();
 }

src/chrome.h

@@ -1,5 +1,14 @@
 // chrome
 
+#define CHROME_I 64
+
+// frame
+
+static void loadFrame(){
+	VDP_loadTileSet(frame.tileset, CHROME_I, DMA);
+	VDP_fillTileMapRect(BG_A, TILE_ATTR_FULL(PAL2, 1, 0, 0, CHROME_I), 0, 0, WIN_W_T, 3);
+}
+
 // score
 
 #define SCORE_X 4
@@ -52,6 +61,7 @@ static void loadHeat(){
 // loop
 
 void loadChrome(){
+	loadFrame();
 	loadScore();
 	loadRound();
 	loadHeat();

src/foreground.h

@@ -0,0 +1,49 @@
+// foreground
+
+#define FG_I 576
+
+
+// draw
+
+#define CEIL_Y 3
+#define FLOOR_Y 24
+
+static void drawFg(){
+	for(u16 x = 0; x < BG_W; x++){
+		if(x % 4 == 0){
+			VDP_drawImageEx(BG_B, &rock1t, TILE_ATTR_FULL(PAL2, 1, 0, 0, FG_I), x, CEIL_Y, 0, DMA);
+			VDP_drawImageEx(BG_B, &rock1, TILE_ATTR_FULL(PAL2, 1, 0, 0, FG_I + 16), x, FLOOR_Y, 0, DMA);
+		}
+	}
+}
+
+
+// update
+
+#define FG_SPEED FIX16(2)
+#define BG_SPEED_NORM FIX16(2 * 0.707)
+
+#define FG_SIZE 32
+
+#define FG_SIZE_F FIX16(FG_SIZE)
+
+Vect2D_f16 fgPos;
+
+static void scrollFg(){
+	fgPos.x = fix16Sub(fgPos.x, FG_SPEED);
+	if(fgPos.x <= -FG_SIZE_F) fgPos.x = fix16Add(fgPos.x, FG_SIZE_F);
+	if(fgPos.y >= FG_SIZE_F) fgPos.y = fix16Sub(fgPos.y, FG_SIZE_F);
+}
+
+
+// loop
+
+void loadFg(){
+	drawFg();
+}
+
+void updateFg(){
+	// VDP_setHorizontalScroll(BG_B, fix16ToInt(fgPos.x));
+	// VDP_setVerticalScroll(BG_B, fix16ToInt(fgPos.y));
+	scrollFg();
+}

src/main.c

@@ -6,6 +6,7 @@
 #include "global.h"
 #include "controls.h"
 #include "background.h"
+#include "foreground.h"
 #include "player.h"
 #include "bullets.h"
 #include "chrome.h"
@@ -17,14 +18,16 @@ static void loadInternals(){
 	JOY_setEventHandler(&updateControls);
 	SPR_init(127, 0, 0);
 	VDP_setScreenWidth256();
-	VDP_setPalette(PAL1, font.palette -> data);
+	VDP_setPalette(PAL1, nitori.palette -> data);
-	VDP_setPalette(PAL2, bgWall1.palette -> data);
+	VDP_setPalette(PAL2, wall1.palette -> data);
+	VDP_setPalette(PAL3, font.palette -> data);
 	VDP_loadFont(font.tileset, DMA);
-	VDP_setTextPalette(1);
+	VDP_setTextPalette(3);
 }
 
 static void loadGame(){
 	loadBg();
+	loadFg();
 	loadPlayer();
 	loadChrome();
 }
@@ -33,6 +36,7 @@ static void updateGame(){
 	updatePlayer();
 	updateBullets();
 	updateBg();
+	updateFg();
 	updateChrome();
 	clock++;
 	if(clock >= CLOCK_LIMIT) clock -= CLOCK_LIMIT;

src/player.h

@@ -2,7 +2,7 @@
 
 #define PLAYER_OFF FIX16(16)
 #define PLAYER_INIT_X FIX16(40)
-#define PLAYER_INIT_Y FIX16(GAME_H / 2)
+#define PLAYER_INIT_Y FIX16((GAME_H - 24) / 2 + 24)
 
 #define INVINCIBLE_LIMIT 60 * 4
 #define SHOT_INTERVAL 15