From: Brendan Hansen <brendan.f.hansen@gmail.com>
Date: Mon, 7 Jun 2021 05:14:49 +0000 (-0500)
Subject: alpha fixes and ui updates
X-Git-Url: https://git.brendanfh.com/?a=commitdiff_plain;h=e7aa99d55982f086e469e45a952932cca82e3d01;p=tower.git

alpha fixes and ui updates
---

diff --git a/src/tower.onyx b/src/tower.onyx
index 76a4f1e..aa27e79 100644
--- a/src/tower.onyx
+++ b/src/tower.onyx
@@ -16,7 +16,7 @@ main :: (args: [] cstr) {
     ui.init_ui();
 
     gl.enable(gl.BLEND);
-    gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA);
+    gl.blendFuncSeparate(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA, gl.ONE, gl.ONE_MINUS_SRC_ALPHA);
 
     start_loop :: () -> void #foreign "game" "start_loop" ---
     start_loop();
@@ -42,7 +42,17 @@ window_height := 0
 poll_events :: () {
     for event: events.consume() {
         switch event.kind {
-            case .MouseDown do println("Mouse was down!");
+            case .MouseDown do switch event.mouse.button {
+                case .Left  do ui.button_pressed(.Left);
+                case .Right do ui.button_pressed(.Right);
+            }
+
+            case .MouseUp do switch event.mouse.button {
+                case .Left  do ui.button_released(.Left);
+                case .Right do ui.button_released(.Right);
+            }
+
+            case .MouseMove do ui.update_mouse_position(~~ event.mouse.pos_x, ~~ event.mouse.pos_y);
             
             case .Resize {
                 printf("Window was resized to: %i %i\n", event.resize.width, event.resize.height);
@@ -56,7 +66,7 @@ poll_events :: () {
             }
         }
 
-        #if DEBUG { events_this_frame += 1; }
+        #if DEBUG do events_this_frame += 1;
     }
 }
 
@@ -71,10 +81,16 @@ update :: (dt: f32) {
             fps_timer = 1.0f;
         }
     }
+
+    opacity -= dt * 3;
+    opacity = math.max(opacity, 0);
 }
 
+opacity := 1.0f;
+counter := 0;
+
 draw :: () {
-    gl.clearColor(0.1, 0.1, 0.1, 1);
+    gl.clearColor(0, 0, 0, 1);
     gl.clear(gl.COLOR_BUFFER_BIT);
 
     master_rectangle := ui.Rectangle.{ x1 = ~~window_width, y1 = ~~window_height };
@@ -85,27 +101,54 @@ draw :: () {
     ui.draw_rect(left,  .{ 0.2, 0.15, 0.15 });
     ui.draw_rect(right, .{ 0, 0.25, 0.5 });
     ui.draw_rect(right_top, .{ 1, 0, 0 });
-    ui.draw_text("Something here", right_bottom.x0, right_bottom.y0, 48, .{ 1, 1, 1 });
 
     {
-        button_rect, _ := ui.Flow.split_horizontal(left, top_height=75);
+        text_theme := ui.default_text_theme;
+        text_theme.font_size = .2;
+        text_theme.text_color = .{ 0.6, 0.6, 1.0 };
+        ui.draw_text(right_bottom, "Something here", ^text_theme);
+    }
+
+    {
+        button_rect: ui.Rectangle;
+        sidebar := left;
+
+        button_rect, sidebar = ui.Flow.split_horizontal(sidebar, top_height=75);
         ui.draw_button(button_rect, "Test Button");
+
+        red_theme := ui.default_button_theme;
+        red_theme.text_color = .{ 1, 0, 0 };
+        button_rect, sidebar = ui.Flow.split_horizontal(sidebar, top_height=75);
+        if ui.draw_button(button_rect, "Red", ^red_theme) {
+            counter += 1;
+        }
+
+        if counter % 2 == 0 {
+            red_theme = ui.default_button_theme;
+            red_theme.font_size = .3;
+            button_rect, sidebar = ui.Flow.split_horizontal(sidebar, top_height=75);
+            ui.draw_button(button_rect, "Another Button", ^red_theme);
+        }
     }
 
+    if opacity > 0 do ui.draw_rect(master_rectangle, .{ 0, 0, 0, opacity });
+
     #if DEBUG {
         Debug_Info_Font_Size :: 16;
 
-        gfx.set_texture();
-        gfx.rect(.{ 0, 0 }, .{ 160, 36 }, .{0,0,0,.8});
+        box_top_left := cast(f32) (window_width - 160);
+        ui.draw_rect(box_top_left, 0, 160, 36, .{0,0,0,.7});
 
         str_buffer : [32] u8;
-        conv.str_format("FPS: %i", ~~ str_buffer, fps)                    |> ui.draw_text(0, 0,  ~~Debug_Info_Font_Size, .{0,1,0});
-        conv.str_format("Events: %i", ~~ str_buffer, events_this_frame) |> ui.draw_text(0, 20, ~~Debug_Info_Font_Size, .{0,1,0});
+        conv.str_format("FPS: %i", ~~ str_buffer, fps)                  |> ui.draw_text_raw(box_top_left, 0,  ~~Debug_Info_Font_Size, .{0,1,0});
+        conv.str_format("Events: %i", ~~ str_buffer, events_this_frame) |> ui.draw_text_raw(box_top_left, 20, ~~Debug_Info_Font_Size, .{0,1,0});
 
         events_this_frame = 0;
     }
 
     gfx.flush();
+
+    ui.clear_buttons();
 }