pathfinding

1 files changed, 102 insertions, 56 deletions

diff --git a/players.c b/players.c
index 40b2de3..f6719b5 100644
--- a/players.c
+++ b/players.c
@@ -16,7 +16,30 @@ float get_player_size(platform_window* window) {
 	int player_size = get_tile_width(window) * get_player_size_in_tile();
 }
 
-object check_if_player_collided_with_object(platform_window* window) {
+void spawn_player(int id) {
+	for (int i = 0; i < max_players; i++) {
+		if (players[i].active) continue;
+		players[i].active = true;
+		players[i].sec_since_last_shot = 10.0f;
+		players[i].playerx = 3;
+		players[i].playery = 3;
+		players[i].gunx = 0.0f;
+		players[i].guny = 0.0f;
+		players[i].gun_height = 0.0f;
+		players[i].id = id;
+		return;
+	}
+}
+
+player get_player_by_id(int id) {
+	for (int i = 0; i < max_players; i++) {
+		if (!players[i].active) continue;
+		if (players[i].id == id) return players[i];
+	}
+	return (player){-1};
+}
+
+object check_if_player_collided_with_object(platform_window* window, player p) {
 	map_info info = get_map_info(window);
 	float player_size = get_player_size(window);
 
@@ -25,9 +48,9 @@ object check_if_player_collided_with_object(platform_window* window) {
 		if (!o.active) continue;
 
 		box box = get_box_of_object(window, o);
-		float x_to_check = playerx;
+		float x_to_check = p.playerx;
 		float player_size_in_tile_px = player_size / (float)info.tile_width;
-		float y_to_check = playery + player_size_in_tile_px;
+		float y_to_check = p.playery + player_size_in_tile_px;
 
 		if (x_to_check+player_size_in_tile_px >= o.position.x && x_to_check <= o.position.x+o.size.x
 		 && y_to_check >= o.position.y && y_to_check <= o.position.y+o.size.y) {
@@ -38,85 +61,108 @@ object check_if_player_collided_with_object(platform_window* window) {
 	return (object){0};
 }
 
+int get_my_player_index() {
+	for (int i = 0; i < max_players; i++) {
+		if (!players[i].active) continue;
+		if (players[i].id == my_id) return i;
+	}
+	return -1;
+}
+
 void take_player_input(platform_window* window) {
 	float speed = 0.1f;
 	float pad_between_player_and_obj = 0.01f;
 
-	float old_x = playerx;
-	float old_y = playery;
+	int my_index = get_my_player_index();
+	if (my_index == -1) return;
+
+	float old_x = players[my_index].playerx;
+	float old_y = players[my_index].playery;
 
 	if (keyboard_is_key_down(KEY_W)) {
-		float newy = playery - speed;
-		if (is_in_bounds(playerx, newy)) {
-			playery = newy;
-			object o = check_if_player_collided_with_object(window);
-			if (o.active) playery = o.position.y+o.size.y - get_player_size_in_tile() + pad_between_player_and_obj;
+		float newy = players[my_index].playery - speed;
+		if (is_in_bounds(players[my_index].playerx, newy)) {
+			players[my_index].playery = newy;
+			object o = check_if_player_collided_with_object(window, players[my_index]);
+			if (o.active) players[my_index].playery = o.position.y+o.size.y - get_player_size_in_tile() + pad_between_player_and_obj;
 		}
 	}
 
 	if (keyboard_is_key_down(KEY_S)) {
-		float newy = playery + speed;
-		if (is_in_bounds(playerx, newy)) {
-			playery = newy;
-			object o = check_if_player_collided_with_object(window);
-			if (o.active) playery = o.position.y - get_player_size_in_tile() - pad_between_player_and_obj;
+		float newy = players[my_index].playery + speed;
+		if (is_in_bounds(players[my_index].playerx, newy)) {
+			players[my_index].playery = newy;
+			object o = check_if_player_collided_with_object(window, players[my_index]);
+			if (o.active) players[my_index].playery = o.position.y - get_player_size_in_tile() - pad_between_player_and_obj;
 		}
 	}
 
 	if (keyboard_is_key_down(KEY_A)) {
-		float newx = playerx - speed;
-		if (is_in_bounds(newx, playery)) {
-			playerx = newx;
-			object o = check_if_player_collided_with_object(window);
-			if (o.active) playerx = o.position.x+o.size.x + pad_between_player_and_obj;
+		float newx = players[my_index].playerx - speed;
+		if (is_in_bounds(newx, players[my_index].playery)) {
+			players[my_index].playerx = newx;
+			object o = check_if_player_collided_with_object(window, players[my_index]);
+			if (o.active) players[my_index].playerx = o.position.x+o.size.x + pad_between_player_and_obj;
 		}
 	}
 
 	if (keyboard_is_key_down(KEY_D)) {
-		float newx = playerx + speed;
-		if (is_in_bounds(newx, playery)) {
-			playerx = newx;
-			object o = check_if_player_collided_with_object(window);
-			if (o.active) playerx = o.position.x-get_player_size_in_tile() - pad_between_player_and_obj;
+		float newx = players[my_index].playerx + speed;
+		if (is_in_bounds(newx, players[my_index].playery)) {
+			players[my_index].playerx = newx;
+			object o = check_if_player_collided_with_object(window, players[my_index]);
+			if (o.active) players[my_index].playerx = o.position.x-get_player_size_in_tile() - pad_between_player_and_obj;
 		}
 	}
 }
 
-void draw_player(platform_window* window) {
-	int size = get_tile_width(window) / 2;
-	map_info info = get_map_info(window);
-	float height = get_height_of_tile_under_coords(window, playerx, playery);
-
-	take_player_input(window);
-
-	sec_since_last_shot += update_delta;
-	float bullets_per_sec = 10;
-	float time_between_bullets = 1.0f/bullets_per_sec;
-	if (is_left_down()) {
-		if (sec_since_last_shot > time_between_bullets) {
-			for (int i = 0; i < 3; i++) shoot(window);
-			sec_since_last_shot = 0.0f;
+void draw_players_at_tile(platform_window* window, int x, int y) {
+	for (int i = 0; i < max_players; i++) {
+		if (!players[i].active) continue;
+		if ((int)players[i].playerx != x || (int)(players[i].playery+get_player_size_in_tile()) != y) continue;
+
+		int size = get_tile_width(window) / 2;
+		map_info info = get_map_info(window);
+		float height = get_height_of_tile_under_coords(window, players[i].playerx, players[i].playery);
+
+		take_player_input(window);
+
+		players[i].sec_since_last_shot += update_delta;
+		float bullets_per_sec = 10;
+		float time_between_bullets = 1.0f/bullets_per_sec;
+		if (is_left_down()) {
+			if (players[i].sec_since_last_shot > time_between_bullets) {
+				int ix = get_my_player_index();
+				if (ix != -1) {
+					for (int i = 0; i < 3; i++) {
+						shoot(window, players[ix]);
+						players[i].sec_since_last_shot = 0.0f;
+					}
+				}
+			}
 		}
-	}
 
-	float player_render_x = playerx*info.tile_width + (playery*info.px_incline);
-	float player_render_y = playery*info.tile_height - (height*info.px_raised_per_h);
-	renderer->render_rectangle(player_render_x, player_render_y, size, size, rgb(200,150,120));
+		float player_render_x = players[i].playerx*info.tile_width + (players[i].playery*info.px_incline);
+		float player_render_y = players[i].playery*info.tile_height - (height*info.px_raised_per_h);
+		renderer->render_rectangle(player_render_x, player_render_y, size, size, rgb(200,150,120));
 
-	float dirx = (_global_mouse.x - (window->width/2));
-	float diry = (_global_mouse.y - (window->height/2));
-	double length = sqrt(dirx * dirx + diry * diry);
-	dirx /= length;
-	diry /= length;
+		float dirx = (_global_mouse.x - (window->width/2));
+		float diry = (_global_mouse.y - (window->height/2));
+		double length = sqrt(dirx * dirx + diry * diry);
+		dirx /= length;
+		diry /= length;
 
-	gunx = playerx + (get_player_size_in_tile()/2) + dirx/2;
-	guny = playery + (get_player_size_in_tile()/2) + diry/2;
-	gun_height = height+0.5;
-	float gun_render_x = gunx*info.tile_width + (guny*info.px_incline);
-	float gun_render_y = guny*info.tile_height - (gun_height*info.px_raised_per_h);
+		players[i].gunx = players[i].playerx + (get_player_size_in_tile()/2) + dirx/2;
+		players[i].guny = players[i].playery + (get_player_size_in_tile()/2) + diry/2;
+		players[i].gun_height = height+0.5;
+		float gun_render_x = players[i].gunx*info.tile_width + (players[i].guny*info.px_incline);
+		float gun_render_y = players[i].guny*info.tile_height - (players[i].gun_height*info.px_raised_per_h);
 
-	renderer->render_rectangle(gun_render_x, gun_render_y, size/4, size/4, rgb(20,255,20));
+		renderer->render_rectangle(gun_render_x, gun_render_y, size/4, size/4, rgb(20,255,20));
 
-	_global_camera.x = -(window->width / 2) + player_render_x;
-	_global_camera.y = -(window->height / 2) + player_render_y;
+		if (players[i].id == my_id) {
+			_global_camera.x = -(window->width / 2) + player_render_x;
+			_global_camera.y = -(window->height / 2) + player_render_y;
+		}
+	}
 }