camera movement

8 files changed, 69 insertions, 17 deletions

diff --git a/src/engine/camera.c b/src/engine/camera.c
new file mode 100644
index 0000000..46c2d93
--- /dev/null
+++ b/src/engine/camera.c
@@ -0,0 +1,16 @@
+#include "engine/camera.h"
+
+#include "ppu/consts.h"
+
+
+vec_cor hh_update_camera(vec_cen new, vec2 min, vec2 max){
+
+	new = vec_cen2cor(new,(vec2){.x=20,.y=30});
+	static vec_cor old;
+
+	old.x = CLAMP(new.x,min.x,max.x);
+	old.y = CLAMP(new.y,min.y,max.y);
+
+	return old;
+}
+
diff --git a/src/engine/camera.h b/src/engine/camera.h
new file mode 100644
index 0000000..b3ffb52
--- /dev/null
+++ b/src/engine/camera.h
@@ -0,0 +1,6 @@
+#pragma once
+
+#include "engine/maths.h"
+
+vec_cor hh_update_camera(vec_cor new, vec2 min, vec2 max);
+
diff --git a/src/engine/draw_screen.c b/src/engine/draw_screen.c
index acf5b41..0295241 100644
--- a/src/engine/draw_screen.c
+++ b/src/engine/draw_screen.c
@@ -1,4 +1,5 @@
-#include "draw_screen.h"
+#include "engine/draw_screen.h"
+#include "engine/sprite_controller.h"
 
 uint8_t hh_world_to_tile(vec2 pos){
 	
@@ -37,8 +38,8 @@ void hh_draw_screen(vec_cor viewport){
 
 void hh_setup_screen(){
 	//(HH_map_size_X*HH_map_size_Y)
-	int size = 3200; // max X = 40 en max Y = 80
-	FILE* level = fopen("../test/bin/test_map.bin", "rb"); /* open binary file */
+	int size = 2400; // max X = 40 en max Y = 80
+	FILE* level = fopen("../test/bin/level1_test.bin", "rb"); /* open binary file */
 	if (!level) { /* check if file opened successfully */
 		fprintf(stderr, "Error: Failed to open file.\n");
 		return;
@@ -53,7 +54,7 @@ void hh_setup_screen(){
 		hh_ppu_update_background(BAM_index, (hh_s_ppu_loc_bam_entry){
 			.horizontal_flip = false,
 			.vertical_flip   = false,
-			.palette_index   = tile[BAM_index]+1,
+			.palette_index   = hh_get_palette(tile[BAM_index]),
 			.tilemap_index   = tile[BAM_index],
 		});
 	}
diff --git a/src/engine/draw_screen.h b/src/engine/draw_screen.h
index 8d7df47..b181108 100644
--- a/src/engine/draw_screen.h
+++ b/src/engine/draw_screen.h
@@ -2,7 +2,7 @@
 
 
 // every function call for drawing the screen goes here.
-#include "../engine/maths.h"
+#include "engine/maths.h"
 #include "ppu/ppu.h"
 
 #include <stdio.h>
diff --git a/src/engine/maths.c b/src/engine/maths.c
new file mode 100644
index 0000000..ebd699c
--- /dev/null
+++ b/src/engine/maths.c
@@ -0,0 +1,15 @@
+#include "engine/maths.h"
+
+vec_cor vec_cen2cor(vec_cen in, vec2 halfDistance){
+	return (vec_cor){
+		.x = in.x - halfDistance.x,
+		.y = in.y - halfDistance.y,
+	};
+}
+
+vec_cen vec_cor2cen(vec_cor in, vec2 halfDistance){
+	return (vec_cen){
+		.x = in.x + halfDistance.x,
+		.y = in.y + halfDistance.y,
+	};
+}
diff --git a/src/engine/maths.h b/src/engine/maths.h
index c7f1b44..bd20202 100644
--- a/src/engine/maths.h
+++ b/src/engine/maths.h
@@ -9,6 +9,9 @@ typedef struct {
 typedef vec2 vec_cen;//centered
 typedef vec2 vec_cor;//left upper corner
 
+vec_cor vec_cen2cor(vec_cen in, vec2 halfDistance);
+vec_cor vec_cor2cen(vec_cen in, vec2 halfDistance);
+
 //fixed point at decimal 7lsb (world positions in pixels (with fixed decimal point))
 #define HH_MATH_FIXED_POINT 7
 
diff --git a/src/engine/sprite_controller.c b/src/engine/sprite_controller.c
index c224ff7..d4c44ab 100644
--- a/src/engine/sprite_controller.c
+++ b/src/engine/sprite_controller.c
@@ -4,7 +4,16 @@
 // #include "engine/maths.h"
 #include "ppu/types.h"
 #include "ppu/consts.h"
+#include "ppu/ppu.h"
 
-uint8_t hh_get_palette(uint16_t tile_idx) {
+uint8_t hh_get_palette(uint8_t tile_idx) {
 	return hh_g_sprite_palette[tile_idx];
 }
+
+void hh_setup_palettes(){
+	for (int idx = 0; idx < HH_PPU_PALETTE_COUNT; idx++) {
+		for (int col = 0; col < HH_PPU_PALETTE_COLOR_COUNT; col++) {
+			hh_ppu_update_color(idx,col,hh_g_palette[idx][col]);
+		}
+	}	
+}
diff --git a/src/engine/sprite_controller.h b/src/engine/sprite_controller.h
index 47ab0af..001a459 100644
--- a/src/engine/sprite_controller.h
+++ b/src/engine/sprite_controller.h
@@ -11,10 +11,10 @@
 
 //TODO: pack data inside of sprite_palette LUT
 //HH_PPU_PALETTE_COUNT
-#define HH_SPRITE_COUNT 32
+#define HH_SPRITE_COUNT 40
 #define HH_PAL_IDX_SKY 0
 #define HH_PAL_IDX_BRICK 1
-uint8_t hh_g_sprite_palette[HH_SPRITE_COUNT] = {
+const static uint8_t hh_g_sprite_palette[HH_SPRITE_COUNT] = {
 	0,1,1,1,1,1,1,1,1,1, //1+9
 	1,1,1,1,1,1,1,1,1,1, //6+4
 	1,1,1,1,1,1,1,1,1,	//9
@@ -23,7 +23,7 @@ uint8_t hh_g_sprite_palette[HH_SPRITE_COUNT] = {
 };
 
 
-hh_ppu_loc_palette_table_t hh_g_palette = {
+const static hh_ppu_loc_palette_table_t hh_g_palette = {
 	{//palette info here
 		{0x1,0x2,0x3},
 		{0x0,0x0,0x0},
@@ -88,17 +88,19 @@ hh_ppu_loc_palette_table_t hh_g_palette = {
 		{0x0,0x0,0x0},
 		{0x0,0x0,0x0}},
 	{
+		{0x0,0xf,0xf},
 		{0xf,0xf,0xf},
-		{0xf,0xf,0xf},
-		{0x0,0x0,0x0},
-		{0x0,0x0,0x0},
-		{0x0,0x0,0x0},
-		{0x0,0x0,0x0},
-		{0x0,0x0,0x0},
+		{0xf,0x0,0xf},
+		{0xf,0xf,0x0},
+		{0xf,0x0,0x0},
+		{0x0,0xf,0x0},
+		{0x0,0x0,0xf},
 		{0x0,0x0,0x0}}
 };
 
+void hh_setup_palettes();
+
 /** @brief return palette index that belongs to tilemap index */
-uint8_t hh_get_palette(uint16_t tile_idx);
+uint8_t hh_get_palette(uint8_t tile_idx);
 
-bool hh_colidable(uint16_t tile_idx);
+bool hh_colidable(uint8_t tile_idx);