auts: sprite rendering test

isotest/main.v

@@ -56,6 +56,21 @@ fn main() {
 	tex := d.load_image_sdl_tex("res/images/heightmap.png")
 
 
+	// Sprite test
+
+	mut spr1 := new_sprite()
+	spr1.load("res/objects/walls/wall1/image_0.png")
+
+	{
+	// Position sprite
+	px := 8
+	py := 8
+	// Center at tile
+	spr1.x = (px * c_cell_w) + c_cell_w / 2
+	spr1.y = (py * (c_cell_h / 2)) + c_cell_h / 2
+	}
+
+
 
 	//ctx.vars.scroll_speed = 0
 	ctx.vars.mouse_scroll = false
@@ -84,6 +99,8 @@ fn main() {
 		
 		//d.draw_sdl_tex(tex, px, py)
 
+		spr1.draw()
+
 		app.flip()
 
 		//time.sleep_ms(20)

isotest/sprite.v

@@ -0,0 +1,65 @@
+module main
+
+struct Sprite {
+mut:
+	// Pos (world-space)
+	x int
+	y int
+
+	w int
+	h int
+
+	// Multi-tile
+	num_tiles_x int
+	num_tiles_y int
+	num_tiles int 
+	tile_size int
+
+	shift_x int
+	// yCorr
+	shift_y int
+	tex &Texture
+	
+	spawned bool
+}
+
+fn new_sprite() &Sprite {
+	s := &Sprite{
+		
+	}
+
+	return s
+}
+
+fn (mut s Sprite) load(path string) {
+	s.tex = new_texture()
+	s.tex.load(path)
+
+	s.w, s.h = s.tex.size()
+
+	// Calc shift
+	s.shift_x = s.w / 2 // half tile
+
+	//s.shift_y = s.h - (c_cell_h)
+	s.shift_y = s.h - (c_cell_h / 2)
+	
+}
+
+fn (mut s Sprite) spawn() {
+
+}
+
+fn (mut s Sprite) draw() {
+	println("sprite draw()")
+	
+	//s.tex.draw_pos(s.x, s.y)
+
+	px := s.x - s.shift_x
+	py := s.y - s.shift_y
+	
+	s.tex.draw_pos(px, py)
+}
+
+fn (mut s Sprite) update(dt f32) {
+
+}

isotest/texture.v

@@ -19,6 +19,10 @@ fn new_texture() &Texture {
 	return t
 }
 
+fn (mut t Texture) size() (int, int) {
+	return t.w, t.h
+}
+
 fn (mut t Texture) load(path string) {
 	println("texture load() path: $path")