Big update

data/scripts/game_hud.lua

@@ -0,0 +1,70 @@
+local RED_COLOR = { 1.0, 0.0, 0.0, 1.0 }
+local GREEN_COLOR = { 0.0, 1.0, 0.0, 1.0 }
+local BLUE_COLOR = { 0.0, 0.0, 1.0, 1.0 }
+local BLACK_COLOR = { 0.0, 0.0, 0.0, 1.0 }
+local WHITE_COLOR = { 1.0, 1.0, 1.0, 1.0 }
+
+local draw_test_hud = true
+local draw_debug_string = false
+local debug_string_text = ""
+local debug_string_time = 0.0
+local debug_string_max_time = 0.0
+
+function game_hud_draw( )
+	if not draw_test_hud then
+		return
+	end
+
+	-- example of color
+	local color = { 0.5, 0.5, 0.1, 1.0 }
+	
+	-- example of drawing
+	ui.draw_rect(150.0, 150.0, 350.0, 350.0, BLUE_COLOR)
+	ui.draw_image("data/textures/koshka1.jpg", 160.0, 160.0, 340.0, 340.0, WHITE_COLOR)
+	ui.draw_text("Hello, world!", 200.0, 200.0, GREEN_COLOR)
+
+	if g_player then
+		game_player_hud_draw()
+	end
+	
+	-- debug
+	if draw_debug_string then
+		game_debug_string_draw()
+	end
+end
+
+function game_player_hud_draw()
+	local display_x, display_y = ui.get_display_size()
+	local color = { 0.0, 0.0, 0.0, 0.3 }
+	local text_color = { 0.0, 0.0, 0.0, 0.6 }
+	local hud_rect_size_x = 200
+	local hud_rect_size_y = 100
+	local offset_text = ui.calc_text_width("Health") + 5
+	
+	ui.draw_rect(0.0, display_y, hud_rect_size_x, display_y - hud_rect_size_y, color)
+
+	ui.draw_text("Health", 10.0, display_y - hud_rect_size_y + 20, WHITE_COLOR)
+	ui.draw_text(string.format("%.0f", g_player:get_health()), 10.0 + offset_text, display_y - hud_rect_size_y + 20, WHITE_COLOR)
+end
+
+function put_debug_string_to_screen(text, text_time)
+	debug_string_max_time = text_time
+	debug_string_text = text
+	debug_string_time = 0.0
+	draw_debug_string = true
+end
+
+function game_debug_string_draw()
+	debug_string_time = debug_string_time + engine.get_delta()
+	
+	if debug_string_time >= debug_string_max_time then
+		debug_string_max_time = 0.0
+		debug_string_time = 0.0
+		draw_debug_string = false
+	end
+	
+	local offset = ui.calc_text_width(debug_string_text)
+	
+	ui.draw_rect(490, 500, 490 + offset + 20, 550, BLACK_COLOR)
+	ui.draw_text(debug_string_text, 500, 500, RED_COLOR)
+end