add enemy spawning

5 files changed, 97 insertions, 2 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 68fc172..8bae61a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,6 +7,7 @@ project(demo
 add_executable(${PROJECT_NAME}
 	"src/main.c"
 	"src/input.c"
+	"src/enemies.c"
 	)
 
 set_property(TARGET ${PROJECT_NAME} PROPERTY C_STANDARD 99)
diff --git a/assets/enemy.png b/assets/enemy.png
new file mode 100644
index 0000000..b9732ac
--- /dev/null
+++ b/assets/enemy.png
diff --git a/src/enemies.c b/src/enemies.c
new file mode 100644
index 0000000..72ce9ba
--- /dev/null
+++ b/src/enemies.c
@@ -0,0 +1,54 @@
+#include "enemies.h"
+
+static rodeo_collision_2d_world_t collision_enemies_world;
+static rodeo_texture_2d_t enemy_texture;
+static cvec_enemy_t enemies;
+
+void
+init_enemies(void)
+{
+	collision_enemies_world = rodeo_collision_2d_world_create();
+	enemies = cvec_enemy_t_init();
+	enemy_texture = rodeo_texture_2d_create_from_path(cstr_lit("assets/enemy.png"));
+}
+
+void
+deinit_enemies(void)
+{
+	rodeo_collision_2d_world_destroy(&collision_enemies_world);
+	cvec_enemy_t_drop(&enemies);
+	rodeo_texture_2d_destroy(&enemy_texture);
+}
+
+enemy_t*
+spawn_enemy(float x, float y)
+{
+	rodeo_collision_2d_world_item_t enemy_collision = (rodeo_collision_2d_world_item_t){.x = x, .y = y, .width = 26, .height = 38};
+	world_id id = rodeo_collision_2d_world_item_create(&collision_enemies_world, enemy_collision)->id;
+	return cvec_enemy_t_push(&enemies, (enemy_t){.hp = 100.0, .id = id});
+}
+
+void
+draw_enemies(void)
+{
+	c_foreach(i, cvec_collision_2d_world_item, collision_enemies_world) {
+		cvec_collision_2d_world_item_value *enemy = i.ref;
+		
+		   rodeo_texture_2d_draw(
+				&(rodeo_rectangle_t){
+					.x = enemy->x,
+					.y = enemy->y,
+					.width = enemy->width,
+					.height = enemy->height,
+				},
+				&(rodeo_rectangle_t){
+					.x = 0,
+					.y = 0,
+					.width = 26,
+					.height = 38
+				},
+				NULL,
+				&enemy_texture
+				);
+	}
+}
diff --git a/src/enemies.h b/src/enemies.h
new file mode 100644
index 0000000..6d55ef5
--- /dev/null
+++ b/src/enemies.h
@@ -0,0 +1,31 @@
+#pragma once
+#include "rodeo/collision.h"
+#include "rodeo.h"
+
+typedef
+struct
+{
+    float hp;
+    world_id id;
+} enemy_t;
+
+#define i_val enemy_t
+#define i_opt c_no_cmp
+#include "stc/cvec.h"
+
+
+void
+init_enemies(void);
+
+void
+deinit_enemies(void);
+
+enemy_t*
+spawn_enemy(
+    float x,
+    float y
+);
+
+void
+draw_enemies(void);
+
diff --git a/src/main.c b/src/main.c
index 1060f9e..b4013d1 100644
--- a/src/main.c
+++ b/src/main.c
@@ -2,6 +2,7 @@
 #include "rodeo.h"
 #include <inttypes.h>
 #include "input.h"
+#include "enemies.h"
 #include "rodeo/collision.h"
 
 cstr renderer;
@@ -198,7 +199,7 @@ main_loop(void)
 		orc_collision_item->dx = *(float*)units_move_right_input(NULL, NULL) + *(float*)units_move_left_input(NULL, NULL);
 		orc_collision_item->dy = *(float*)units_move_down_input(NULL, NULL) + *(float*)units_move_up_input(NULL, NULL);
 
-		rodeo_collision_2d_world_compare_self(&world_orc, collision_resolve);
+		//rodeo_collision_2d_world_compare_self(&world_orc, collision_resolve);
 
 		if(*(bool*)play_sound_input(NULL, NULL))
 		{
@@ -252,7 +253,7 @@ main_loop(void)
 	   		&pink_clear
 	   );
 
-
+       /*
 	   for(uint64_t i = 0; i < (sizeof(box_collision_ids) / sizeof(box_collision_ids[0])); ++i)
 	   {
 		   rodeo_collision_2d_world_item_t *box = rodeo_collision_2d_world_item_get_by_id(box_collision_ids[i]);
@@ -264,8 +265,10 @@ main_loop(void)
 			);
 		   }
 	   }
+	   */
 
 	   draw_bullets();
+	   draw_enemies();
 
 	   for(uint64_t i = 0; i < num_of_units; ++i)
 	   {
@@ -387,6 +390,7 @@ main(void)
 		};
 		orc_collision_id = rodeo_collision_2d_world_item_create(&world_orc, orc_collision_params)->id;
 		
+		/*
 		rodeo_collision_2d_world_item_t test_collision_params = {
 			.x = 320,
 			.y = 240,
@@ -401,12 +405,16 @@ main(void)
 			.height = orc_size[1]
 		};
 		box_collision_ids[1] = rodeo_collision_2d_world_item_create(&world_orc, test2_collision_params)->id;
+		*/
 
 		texture = rodeo_texture_2d_create_from_path(cstr_lit("assets/orc.png"));
 		bullet_texture = rodeo_texture_2d_create_from_path(cstr_lit("assets/bullet.png"));
 		scratch = rodeo_audio_sound_create_from_path(cstr_lit("assets/sample.wav"));
 		music = rodeo_audio_music_create_from_path(cstr_lit("assets/music.ogg"));
 
+		init_enemies();
+		spawn_enemy(240, 240);
+
 		rodeo_mainLoop_run(
 			main_loop
 		);
@@ -415,6 +423,7 @@ main(void)
 		rodeo_collision_2d_world_destroy(&world_orc);
 		rodeo_collision_2d_world_destroy(&world_other);
 
+		deinit_enemies();
 	}
 
 	unregister_inputs();