added gamepad stuffies

examples/gsa_simple.c

@@ -1,19 +1,27 @@
 #include <gsa.h>
 
 void init() {
-	sprites[0].tile = 2;
-	sprites[0].x = 10;
-	sprites[0].y = 10;
+	i32 x, y;
 
-	sprites[1].tile = 3;
-	sprites[1].x = 10;
-	sprites[1].y = 100;
+	for(y = 0; y < 11; ++y) {
+		for(x = 0; x < 19; ++x) {
+			maps[0].tiles[x][y] = 0x1000;
+		}
+	}
 
-	maps[0].tiles[20][1] = 1;
+	for(y = 0; y < 11; y += 2) {
+		maps[0].tiles[0][y] = 0x1101;
+		maps[0].tiles[1][y] = 0x1102;
+		maps[0].tiles[0][y + 1] = 0x1201;
+		maps[0].tiles[1][y + 1] = 0x1202;
+
+		maps[0].tiles[17][y] = 0x1101;
+		maps[0].tiles[18][y] = 0x1102;
+		maps[0].tiles[17][y + 1] = 0x1201;
+		maps[0].tiles[18][y + 1] = 0x1202;
+	}
 }
 
 void tick() {
 	sprites[0].x += 1;
-	sprites[1].x += 0;
-	maps[0].scrollx += 1;
 }

include/gamepad.h

@@ -0,0 +1,22 @@
+#ifndef GUARD_F8BB6BA29F6FB6745AF8B6E15CD1C086
+#define GUARD_F8BB6BA29F6FB6745AF8B6E15CD1C086
+
+#include "gamepad.h"
+#include "types.h"
+
+#define SW_MAX_GAMEPADS 4
+#define SW_MAX_GAMEPAD_AXES 4
+#define SW_MAX_GAMEPAD_BUTTONS 14
+
+struct sw_gamepad {
+	f32 axes[SW_MAX_GAMEPAD_AXES];
+	bool button_down;
+	bool button_pressed;
+};
+
+extern struct sw_gamepad sw_gamepads[SW_MAX_GAMEPADS];
+
+void sw_gamepad_static_init();
+void sw_gamepad_tick();
+
+#endif /* GUARD_F8BB6BA29F6FB6745AF8B6E15CD1C086 */

meson.build

@@ -44,6 +44,7 @@ skunk_sources = [
 	'src/error.c',
 	'src/file.c',
 	'src/framebuffer.c',
+	'src/gamepad.c',
 	'src/gsa.c',
 	'src/image32.c',
 	'src/image8.c',

src/gamepad.c

@@ -0,0 +1,28 @@
+#include "gamepad.h"
+#include "GLFW/glfw3.h"
+#include "string.h"
+
+struct sw_gamepad sw_gamepads[SW_MAX_GAMEPADS];
+
+void sw_gamepad_static_init() {
+	memset(sw_gamepads, 0, sizeof(sw_gamepads));
+}
+
+void sw_gamepad_tick() {
+	i32 i, j;
+	GLFWgamepadstate state;
+
+	for(i = 0; i < SW_MAX_GAMEPADS; ++i) {
+		if(glfwGetGamepadState(i, &state)) {
+			for(j = 0; j < SW_MAX_GAMEPAD_AXES; ++j) {
+				sw_gamepads[i].axes[j] = state.axes[j];
+			}
+			for(j = 0; j < SW_MAX_GAMEPAD_BUTTONS; ++j) {
+				bool down = state.buttons[j];
+				sw_gamepads[i].button_pressed =
+				    !sw_gamepads[i].button_pressed && down;
+				sw_gamepads[i].button_down = down;
+			}
+		}
+	}
+}

src/gsa.c

@@ -44,7 +44,7 @@ static struct sw_shaderprogram program;
 
 static u32 vbo, vao;
 
-#define MAX_RENDER_VERTS 60
+#define MAX_RENDER_VERTS 10000
 
 struct render_vert {
 	f32 x, y, tx, ty;

src/window.c

@@ -7,6 +7,7 @@
 #include "GLFW/glfw3.h"
 #include "error.h"
 #include "framebuffer.h"
+#include "gamepad.h"
 #include "scaler.h"
 #include "shaders.h"
 #include "vec2i.h"
@@ -52,8 +53,9 @@ struct sw_window *sw_window_create(struct sw_vec2i size, char *title) {
 	sw_log("setup ogl defaults");
 	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 	glEnable(GL_BLEND);
-	glEnable(GL_DEPTH_TEST);
+	/* glEnable(GL_DEPTH_TEST); */
 
+	sw_gamepad_static_init();
 	sw_shaders_static_init();
 	sw_framebuffer_static_init(); /* TODO: move elsewhere */
 	win->_scaler_fb = sw_framebuffer_create(size);