From c0508d0b705d79cb3359cd15971b477172b7eb4b Mon Sep 17 00:00:00 2001
From: sigonasr2 <sigonasr2@gmail.com>
Date: Fri, 14 Apr 2023 17:45:25 -0500
Subject: [PATCH] Level complete transition and screen.

---
 Faceball2030/main.cpp | 43 +++++++++++++++++++++++++++++++------------
 Faceball2030/main.h   |  5 ++++-
 2 files changed, 35 insertions(+), 13 deletions(-)

diff --git a/Faceball2030/main.cpp b/Faceball2030/main.cpp
index 55325b0..d78792d 100644
--- a/Faceball2030/main.cpp
+++ b/Faceball2030/main.cpp
@@ -849,6 +849,10 @@ void FaceBall::HandleKeys(float fElapsedTime) {
 				vec3d zMovement{ 0,0,vForward.z };
 				player.UpdatePos(Vector_Add(player.GetPos(), zMovement));
 			}
+			float distanceToExit = std::sqrtf(std::powf(player.GetPos().x - exit.pos.x, 2) + std::powf(player.GetPos().z - exit.pos.z, 2));
+			if (distanceToExit < player.GetRadius() + exit.radius) {
+				mode = LEVELCOMPLETE;
+			}
 		}
 	}
 	if (GetKey(S).bHeld) {
@@ -990,6 +994,22 @@ bool Bullet::Update(float fElapsedTime) {
 	return true;
 }
 
+void FaceBall::RenderHud(float fElapsedTime) {
+	if (!GetKey(olc::D).bHeld && !GetKey(olc::A).bHeld) {
+		hudOffsetAcc += 20 * fElapsedTime;
+		while (hudOffsetAcc >= 1) {
+			hudOffset /= 2;
+			hudOffsetAcc--;
+		}
+	}
+	SetDecalMode(DecalMode::NORMAL);
+	DrawDecal({ -32 + hudOffset,-18 }, hud, { 1.05,1.05 });
+	DrawStringDecal({ 112 + hudOffset,4 }, "Triangles: " + std::to_string(triRenderCount), BLACK, { 2,4 });
+	std::string hudText = "Tags Left: " + std::to_string(tagsRemaining) + "   Lives: " + std::to_string(lives);
+	DrawStringPropDecal(vf2d{ hudOffset + (float)(ScreenWidth() / 2 - GetTextSizeProp(hudText).x * 3 / 2),(float)(ScreenHeight() - 64 - GetTextSizeProp(hudText).y * 6) }, hudText, WHITE, { 3,6 });
+	FillRectDecal({ 0,0 }, vf2d{ (float)ScreenWidth(),(float)ScreenHeight() }, { (uint8_t)0,(uint8_t)0,(uint8_t)0,(uint8_t)screenAlpha });
+}
+
 void FaceBall::SubtractTag() {
 	tagsRemaining = std::max(0, tagsRemaining - 1);
 	if (!exitWallsCleared&&tagsRemaining <= 0) {
@@ -1132,22 +1152,21 @@ bool FaceBall::OnUserUpdate(float fElapsedTime)
 		case GAME: {
 			HandleKeys(fElapsedTime);
 			RenderWorld();
-			if (!GetKey(olc::D).bHeld && !GetKey(olc::A).bHeld) {
-				hudOffsetAcc += 20 * fElapsedTime;
-				while (hudOffsetAcc >= 1) {
-					hudOffset /= 2;
-					hudOffsetAcc--;
-				}
-			}
-			SetDecalMode(DecalMode::NORMAL);
-			DrawDecal({ -32+hudOffset,-18 }, hud, {1.05,1.05});
-			DrawStringDecal({ 112+hudOffset,4 }, "Triangles: " + std::to_string(triRenderCount), BLACK, { 2,4 });
-			std::string hudText = "Tags Left: " + std::to_string(tagsRemaining) + "   Lives: " + std::to_string(lives);
-			DrawStringPropDecal(vf2d{ hudOffset+(float)(ScreenWidth() / 2 - GetTextSizeProp(hudText).x * 3 / 2),(float)(ScreenHeight() - 64 - GetTextSizeProp(hudText).y*6) }, hudText, WHITE, {3,6});
+			RenderHud(fElapsedTime);
 		}break;
 		case EDITOR: {
 			editor.Update(fElapsedTime);
 		}break;
+		case LEVELCOMPLETE: {
+			RenderWorld();
+			RenderHud(fElapsedTime);
+			if (screenAlpha < 255) {
+				screenAlpha = std::min(255.f,screenAlpha+200 * fElapsedTime);
+			}
+			else {
+				DrawStringDecal({ 16,16 }, "Level " + std::to_string(level) + " complete!", WHITE, { 4,8 });
+			}
+		}break;
 	}
 	if (GetKey(olc::F5).bPressed) {
 		mode = (GAMEMODE)!(mode&1);
diff --git a/Faceball2030/main.h b/Faceball2030/main.h
index 9504949..1581070 100644
--- a/Faceball2030/main.h
+++ b/Faceball2030/main.h
@@ -9,7 +9,8 @@ const float PI = 3.14159f;
 
 enum GAMEMODE {
 	GAME,
-	EDITOR
+	EDITOR,
+	LEVELCOMPLETE
 };
 
 enum Direction {
@@ -243,6 +244,7 @@ class FaceBall : public PixelGameEngine
 	float moveSpd = 2.0f;
 	float hudOffset = 0;
 	float hudOffsetAcc = 0;
+	float screenAlpha = 0;
 
 	int triRenderCount = 0;
 
@@ -277,6 +279,7 @@ class FaceBall : public PixelGameEngine
 	void LoadLevel(int level);
 	void RenderMesh(mat4x4&matView, std::vector<Triangle>&vecTrianglesToRaster,Object&o);
 	void RunEnemyAI(Enemy& e,float fElapsedTime);
+	void RenderHud(float fElapsedTime);
 	public:
 	static bool CheckCollision(vec3d movementVector,vf2d pos,float radius);
 	static int CheckEnemyCollision(vec3d movementVector, vf2d pos, float radius);