From 7735835ca82a3650846040693dde39bf9787e273 Mon Sep 17 00:00:00 2001
From: KikooDX <kikoodx@protonmail.com>
Date: Mon, 21 Sep 2020 11:04:53 +0200
Subject: [PATCH] [exit on start] Level system, for unknown reason the add-in
 stop on startup

---
 include/gen_levels.h  |  8 ++++++++
 include/level.h       |  5 +++--
 include/main.h        |  6 +++---
 levels/generate_c.lua | 22 +++++++++++++++++++++-
 src/gen_levels.c      | 34 ++++++++++++++++++++++++++++++++++
 src/level.c           | 27 ++++++++++++++++++++++++---
 src/main.c            | 19 +++++++++----------
 7 files changed, 102 insertions(+), 19 deletions(-)
 create mode 100644 include/gen_levels.h
 create mode 100644 src/gen_levels.c

diff --git a/include/gen_levels.h b/include/gen_levels.h
new file mode 100644
index 0000000..6d98eb0
--- /dev/null
+++ b/include/gen_levels.h
@@ -0,0 +1,8 @@
+#ifndef _DEF_GEN_LEVELS
+#define _DEF_GEN_LEVELS
+
+#include "level.h"
+
+void level_set(const Level **level, uint level_id);
+
+#endif /* _DEF_GEN_LEVELS */
diff --git a/include/level.h b/include/level.h
index c8986be..9995f3f 100644
--- a/include/level.h
+++ b/include/level.h
@@ -12,7 +12,8 @@ typedef struct Level
 	const uint8_t **layers; /* points toward the level content */
 } Level;
 
-void level_step(Level *level);
-void level_draw(Level *level, Camera *camera);
+void level_step(const Level *level);
+void level_draw(const Level *level, Camera *camera);
+void layer_draw(const Level *level, Camera *camera, uint layer_id);
 
 #endif /* _DEF_LEVEL */
diff --git a/include/main.h b/include/main.h
index ad924d5..708ad03 100644
--- a/include/main.h
+++ b/include/main.h
@@ -3,8 +3,8 @@
 #include "camera.h"
 #include "input.h"
 
-int play_level(int level_id);
+int play_level(uint level_id);
 /* callback used for UPS control */
 int callback(volatile void *arg);
-void step_event(Player *player, Level *level, Camera *camera, Input *input, uint step);
-void draw_event(Player *player, Level *level, Camera *camera, Input *input, uint step);
+void step_event(Player *player, const Level *level, Camera *camera, Input *input, uint step);
+void draw_event(Player *player, const Level *level, Camera *camera, Input *input, uint step);
diff --git a/levels/generate_c.lua b/levels/generate_c.lua
index d5961cb..3ed0740 100755
--- a/levels/generate_c.lua
+++ b/levels/generate_c.lua
@@ -1,5 +1,10 @@
 #!/usr/bin/env luajit
 
+local function create_includes_c()
+  io.write[[#include "level.h"
+]]
+end
+
 local function read_level(id)
   local file = io.open(id..".jtmm2")
   if not file then
@@ -54,9 +59,24 @@ local function create_structure_c(id)
     io.write("const Level level_", id, " = {\n")
     io.write("\t.width = ", content.width, ",\n")
     io.write("\t.height = ", content.height, ",\n")
-    io.write("\t.layers = &layers_", id, "\n")
+    io.write("\t.layers = layers_", id, "\n")
     io.write("};\n")
   end
 end
 
+local function create_function_c(max)
+  io.write("void level_set(const Level **level, uint level_id)\n")
+  io.write("{\n")
+  io.write("\tswitch(level_id)\n")
+  io.write("\t{\n")
+  io.write()
+  for i = 0, max, 1 do
+    io.write("\t\tcase ", i, ": ")
+    io.write("*level = &level_", i, "; break;\n")
+  end
+  io.write("\t}\n}\n")
+end
+
+create_includes_c()
 create_structure_c(0)
+create_function_c(0)
diff --git a/src/gen_levels.c b/src/gen_levels.c
new file mode 100644
index 0000000..6694406
--- /dev/null
+++ b/src/gen_levels.c
@@ -0,0 +1,34 @@
+#include "level.h"
+const uint8_t tiles_0_1[] = {
+	100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 1,
+	100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100,
+	100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100,
+	100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100,
+	100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100,
+	100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100,
+	100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100,
+	100, 100,
+};
+const uint8_t tiles_0_2[] = {
+	100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 1,
+	100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100,
+	100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100,
+	100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100,
+	100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100,
+	100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100,
+	100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100, 100,
+	100, 100,
+};
+const uint8_t *layers_0[] = {tiles_0_1, tiles_0_2, };
+const Level level_0 = {
+	.width = 10,
+	.height = 51,
+	.layers = layers_0
+};
+void level_set(const Level **level, uint level_id)
+{
+	switch(level_id)
+	{
+		case 0: *level = &level_0; break;
+	}
+}
diff --git a/src/level.c b/src/level.c
index ac57417..c4ae800 100644
--- a/src/level.c
+++ b/src/level.c
@@ -1,11 +1,32 @@
+#include <gint/display.h>
+
 #include "level.h"
 #include "camera.h"
 
-void level_step(Level *level)
+void level_step(const Level *level)
 {
 }
 
-void level_draw(Level *level, Camera *camera)
+void level_draw(const Level *level, Camera *camera)
 {
-	/* TODO */
+	layer_draw(level, camera, 0);
+}
+
+void layer_draw(const Level *level, Camera *camera, uint layer_id)
+{
+	return;
+	const uint8_t *layer = level->layers[layer_id];
+	for (int y = 0; y < level->width; ++y)
+	{
+		for (int x = 0; x < level->height; ++x)
+		{
+			const uint8_t cell = layer[x + y * level->width];
+			#ifdef FX9860G
+			dpixel(x, y, (cell == 100) ? C_LIGHT : C_BLACK);
+			#endif /* FX9860G */
+			#ifdef FXCG50
+			dpixel(x, y, (cell == 100) ? C_RED : C_BLACK);
+			#endif /* FXCG50 */
+		}
+	}
 }
diff --git a/src/main.c b/src/main.c
index 96e2824..35716ac 100644
--- a/src/main.c
+++ b/src/main.c
@@ -14,6 +14,7 @@
 #include "level.h"
 #include "camera.h"
 #include "input.h"
+#include "gen_levels.h"
 
 int main(void)
 {
@@ -26,7 +27,7 @@ int main(void)
 	return 1;
 }
 
-int play_level(int level_id)
+int play_level(uint level_id)
 {
 	/* create player */
 	Player player = {
@@ -35,11 +36,9 @@ int play_level(int level_id)
 		.origin = {4 * VEC_PRECISION, 4 * VEC_PRECISION}
 	};
 
-	/* create level */
-	Level level = {
-		.width = 0,
-		.height = 0
-	};
+	/* set level */
+	const Level *level;
+	level_set(&level, level_id);
 
 	/* create camera */
 	Camera camera = {
@@ -72,10 +71,10 @@ int play_level(int level_id)
 			has_ticked = 0;
 			/* step event is where all the logic happens */
 			step += 1;
-			step_event(&player, &level, &camera, &input, step);
+			step_event(&player, level, &camera, &input, step);
 		}
 		/* draw event just draws stuff */
-		draw_event(&player, &level, &camera, &input, step);
+		draw_event(&player, level, &camera, &input, step);
 	}
 	return 1;
 }
@@ -87,7 +86,7 @@ int callback(volatile void *arg)
 	return 0;
 }
 
-void step_event(Player *player, Level *level, Camera *camera, Input *input, uint step)
+void step_event(Player *player, const Level *level, Camera *camera, Input *input, uint step)
 {
 	//getkey();
 	input_step(input);
@@ -96,7 +95,7 @@ void step_event(Player *player, Level *level, Camera *camera, Input *input, uint
 	camera_step(camera);
 }
 
-void draw_event(Player *player, Level *level, Camera *camera, Input *input, uint step)
+void draw_event(Player *player, const Level *level, Camera *camera, Input *input, uint step)
 {
 	dclear(C_WHITE);
 	level_draw(level, camera);