Level logic now lives in a manager.

src/level_manager.odin

@@ -0,0 +1,73 @@
+package game
+
+import rl "vendor:raylib"
+
+// ------------------------------------------------------------------------------
+// LEVEL specifics
+// ------------------------------------------------------------------------------
+Level :: struct {
+    field_bounds: rl.Rectangle,
+    player:       Entity,
+    enemy:        Entity,
+    ball:         Entity,
+    serve_timer:  f32,
+    wait_time:    f32,
+    score_player: int,
+    score_enemy:  int,
+}
+
+FIELD_BORDER :: 3
+SERVE_WAIT_TIME :: 0.5
+
+init_level :: proc() -> Level {
+    // positions work off viewport resolution, independent of target display size
+    // 10% padding around the field 
+    pad_x := f32(VIEWPORT_W)  * 0.10
+    pad_y := f32(VIEWPORT_H) * 0.10
+
+    bounds := rl.Rectangle{
+        x      = pad_x,
+        y      = pad_y,
+        width  = f32(VIEWPORT_W)  - (pad_x * 2),
+        height = f32(VIEWPORT_H) - (pad_y * 2),
+    }
+
+    player_ent := init_player()
+    player_ent.pos.x = bounds.x + FIELD_BORDER
+    player_ent.pos.y = bounds.y + (bounds.height / 2) - (player_ent.size.y / 2)
+
+    enemy_ent := init_enemy()
+    enemy_ent.pos.x = (bounds.x + bounds.width) - (enemy_ent.size.x) - FIELD_BORDER
+    enemy_ent.pos.y = bounds.y + (bounds.height / 2) - (enemy_ent.size.y / 2)
+
+    return Level{
+        field_bounds = bounds,
+        player       = player_ent,
+        enemy        = enemy_ent,
+        ball         = init_ball(),
+        serve_timer  = SERVE_WAIT_TIME,
+        wait_time    = SERVE_WAIT_TIME,
+        score_player = 0,
+        score_enemy  = 0,
+    }
+}
+
+update_level :: proc(level: ^Level, input: Input_Event, dt: f32) {
+    update_player(&level.player, input, level.field_bounds, dt)
+    // update_enemy(&level.enemy, level.ball, level.field_bounds, dt)
+    update_ball(&level.ball, level, dt)
+}
+
+render_level :: proc(level: Level) {
+    rl.DrawRectangleRec(level.field_bounds, rl.DARKGRAY)
+    rl.DrawRectangleLinesEx(level.field_bounds, FIELD_BORDER, rl.RAYWHITE)
+
+    center_x := f32(VIEWPORT_W) / 2.0
+    start_pos := rl.Vector2{center_x, level.field_bounds.y + FIELD_BORDER}
+    end_pos   := rl.Vector2{center_x, level.field_bounds.y + level.field_bounds.height - FIELD_BORDER}
+    rl.DrawLineEx(start_pos, end_pos, FIELD_BORDER, rl.WHITE)
+
+    render_player(level.player, level.field_bounds)
+    render_enemy(level.enemy, level.field_bounds)
+    render_ball(level.ball, level.field_bounds)
+}