first go at a control panel, not fancy

game/app.odin

@@ -19,6 +19,7 @@ run :: proc() {
 
 		render_world(&world)
 		render_overlay(&world)
+		render_controls(&world)
 		rl.EndDrawing()
 	}
 

game/commands.odin

@@ -15,7 +15,7 @@ Command :: struct {
 }
 
 gather_commands :: proc(world: ^World) -> Command {
-	ui_cmd := overlay_ui_command(world)
+	ui_cmd := poll_controls_command(world)
 	if ui_cmd.kind != .None do return ui_cmd
 
 	if world.phase == .Build && rl.IsKeyPressed(.N) {
@@ -28,12 +28,6 @@ gather_commands :: proc(world: ^World) -> Command {
 		return Command{kind = .Place_Tower, gx = gx, gy = gy}
 	}
 
-	if rl.IsMouseButtonPressed(.LEFT) {
-		mouse := rl.GetMousePosition()
-		gx, gy := screen_to_grid(mouse.x, mouse.y)
-		return Command{kind = .Place_Tower, gx = gx, gy = gy}
-	}
-
 	return Command{kind = .None}
 }
 

game/constants.odin

@@ -26,6 +26,12 @@ OVERLAY_BAR_COLOR :: rl.Color{20, 24, 20, 200}
 OVERLAY_GOLD_COLOR :: rl.Color{255, 215, 80, 255}
 OVERLAY_TEXT_COLOR :: rl.Color{240, 240, 230, 255}
 
-OVERLAY_BUTTON_COLOR :: rl.Color{60, 120, 60, 255}
-OVERLAY_BUTTON_HOVER :: rl.Color{80, 150, 80, 255}
+CONTROL_BAR_H :: 40
+CONTROL_BAR_BG :: rl.Color{30, 55, 30, 220}
+CONTROL_BUTTON_COLOR :: rl.Color{60, 120, 60, 255}
+CONTROL_BUTTON_HOVER :: rl.Color{60, 150, 60, 255}
+
+CONTROLS_SHOP_IDLE :: rl.Color{45, 75, 45, 255}
+CONTROL_SHOP_SELECTED :: rl.Color{70, 110, 70, 255}
+CONTROLS_SHOP_HOVER :: rl.Color{90, 130, 90, 255}
 

game/controls.odin

@@ -0,0 +1,69 @@
+package game
+
+import "core:fmt"
+import rl "vendor:raylib"
+
+bottom_bar_y :: proc() -> i32 {
+	return SCREEN_H - CONTROL_BAR_H
+}
+
+build_controls_layout :: proc() -> (archer, start_wave_btn: rl.Rectangle) {
+	bar_y := f32(bottom_bar_y())
+	arch_w: f32 = 120
+	wave_w: f32 = 110
+	gap: f32 = 12
+
+	x := f32((SCREEN_W - int(arch_w + gap + wave_w)) / 2)
+	archer = {x, bar_y + 8, arch_w, 24}
+	start_wave_btn = {x + arch_w + gap, bar_y + 8, wave_w, 24}
+	return
+}
+
+poll_controls_command :: proc(world: ^World) -> Command {
+	if world.phase != .Build do return Command{kind = .None}
+
+	mouse := rl.GetMousePosition()
+	if rl.IsMouseButtonPressed(.LEFT) {
+		archer, start_wave := build_controls_layout()
+		if rl.CheckCollisionPointRec(mouse, archer) {
+			world.selected_tower = .Archer
+		}
+		if rl.CheckCollisionPointRec(mouse, start_wave) {
+			return Command{kind = .Start_Wave}
+		}
+	}
+
+	return Command{kind = .None}
+}
+
+render_controls :: proc(world: ^World) {
+	if world.phase != .Build do return
+
+	bar_y := bottom_bar_y()
+	rl.DrawRectangle(0, bar_y, SCREEN_W, CONTROL_BAR_H, CONTROL_BAR_BG)
+
+	arch := get_archetype(.Archer)
+	archer, start_wave_btn := build_controls_layout()
+	mouse := rl.GetMousePosition()
+
+	arch_bg := CONTROLS_SHOP_IDLE
+	if world.selected_tower == .Archer do arch_bg = CONTROL_SHOP_SELECTED
+	if rl.CheckCollisionPointRec(mouse, archer) do arch_bg = CONTROL_BUTTON_HOVER
+	rl.DrawRectangleRec(archer, arch_bg)
+	label := fmt.ctprintf("Archer - %dg", arch.cost)
+	rl.DrawText(label, i32(archer.x) + 6, i32(archer.y) + 4, 14, OVERLAY_TEXT_COLOR)
+
+
+	wave_bg := CONTROL_BUTTON_COLOR
+	if rl.CheckCollisionPointRec(mouse, start_wave_btn) do wave_bg = CONTROLS_SHOP_HOVER
+	rl.DrawRectangleRec(start_wave_btn, wave_bg)
+
+	rl.DrawText(
+		"Start Wave",
+		i32(start_wave_btn.x) + 8,
+		i32(start_wave_btn.y) + 3,
+		16,
+		OVERLAY_TEXT_COLOR,
+	)
+}
+

game/overlay.odin

@@ -18,31 +18,5 @@ render_overlay :: proc(world: ^World) {
 
 	hp := fmt.ctprintf("Health: %d", world.base_health)
 	rl.DrawText(hp, x, y, font_size, OVERLAY_TEXT_COLOR)
-
-	if world.phase == .Build {
-		btn := start_wave_button_rect()
-		mouse := rl.GetMousePosition()
-		hovered := rl.CheckCollisionPointRec(mouse, btn)
-		bg := hovered ? OVERLAY_BUTTON_HOVER : OVERLAY_BUTTON_COLOR
-		rl.DrawRectangleRec(btn, bg)
-		rl.DrawText("Start Wave", i32(btn.x) + 8, i32(btn.y) + 3, 16, OVERLAY_TEXT_COLOR)
-	}
-}
-
-start_wave_button_rect :: proc() -> rl.Rectangle {
-	return {x = f32(SCREEN_W - 120), y = 3, width = 110, height = 22}
-}
-
-overlay_ui_command :: proc(world: ^World) -> Command {
-	if world.phase != .Build do return Command{kind = .None}
-
-	mouse := rl.GetMousePosition()
-	btn := start_wave_button_rect()
-
-	if rl.CheckCollisionPointRec(mouse, btn) && rl.IsMouseButtonPressed(.LEFT) {
-		return Command{kind = .Start_Wave}
-	}
-
-	return Command{kind = .None}
 }
 

game/world.odin

@@ -1,24 +1,26 @@
 package game
 
 World :: struct {
-	gold:        int,
-	base_health: int,
-	world_map:   Map,
-	path:        [dynamic]Vec2,
-	enemies:     [MAX_ENEMIES]Enemy,
-	towers:      [dynamic]Tower,
-	events:      [dynamic]Event,
-	phase:       Game_Phase,
-	wave:        int,
-	spawner:     Wave_Spawner,
-	projectiles: [MAX_PROJECTILES]Projectile,
+	gold:           int,
+	base_health:    int,
+	world_map:      Map,
+	path:           [dynamic]Vec2,
+	enemies:        [MAX_ENEMIES]Enemy,
+	towers:         [dynamic]Tower,
+	events:         [dynamic]Event,
+	phase:          Game_Phase,
+	wave:           int,
+	spawner:        Wave_Spawner,
+	projectiles:    [MAX_PROJECTILES]Projectile,
+	selected_tower: Tower_Kind,
 }
 
 init_world :: proc() -> World {
 	world := World {
-		gold        = 100,
-		base_health = 20,
-		phase       = .Build,
+		gold           = 100,
+		base_health    = 20,
+		phase          = .Build,
+		selected_tower = .Archer,
 	}
 	init_map(&world.world_map)
 	build_path(&world.world_map, &world.path)