Implement powerup timers and HUD. Plus some additive blending.

Faceball2030/main.cpp

@@ -1757,7 +1757,6 @@ void FaceBall::RenderHud(float fElapsedTime) {
 			hudOffsetAcc--;
 		}
 	}
-	SetDecalMode(DecalMode::NORMAL);
 	if (hp <= 0) {
 		FillRectDecal({ 0,0 }, { float(ScreenWidth()),float(ScreenHeight()) });
 		std::string topText = enemyData[lastHitBy].name + " SAYS";
@@ -1775,10 +1774,14 @@ void FaceBall::RenderHud(float fElapsedTime) {
 		hudAdjustment.y += hudShakeAmt * 4;
 	}
 	vf2d hudLoc = { hudAdjustment.x + (hp>0?hudOffset:0),hudAdjustment.y};
+	if (hp > 0) {
+		SetDecalMode(DecalMode::ADDITIVE);
+	}
 	DrawWarpedDecal(hudmeter, { meter_ARMOR[0] + hudLoc + vf2d{float(hudmeter->sprite->width),float(hudmeter->sprite->height)} / 2,meter_ARMOR[1] + hudLoc + vf2d{float(hudmeter->sprite->width),float(hudmeter->sprite->height)} / 2,meter_ARMOR[2].lerp(meter_ARMOR[1],1 - float(armorUpgrades)/maxArmorUpgrades)  + hudLoc + vf2d{float(hudmeter->sprite->width),float(hudmeter->sprite->height)} / 2, meter_ARMOR[3].lerp(meter_ARMOR[0],1- float(armorUpgrades)/maxArmorUpgrades)   + hudLoc + vf2d{float(hudmeter->sprite->width),float(hudmeter->sprite->height)} / 2});
 	DrawWarpedDecal(hudmeter, { meter_SPEED[0] + hudLoc + vf2d{float(hudmeter->sprite->width),float(hudmeter->sprite->height)}/2,  meter_SPEED[1] + hudLoc + vf2d{float(hudmeter->sprite->width),float(hudmeter->sprite->height)} / 2,meter_SPEED[2].lerp(meter_SPEED[1],1 - float(speedUpgrades) / maxSpeedUpgrades) + hudLoc + vf2d{float(hudmeter->sprite->width),float(hudmeter->sprite->height)}/2,   meter_SPEED[3].lerp(meter_SPEED[0],1-float(speedUpgrades) / maxSpeedUpgrades) + hudLoc + vf2d{float(hudmeter->sprite->width),float(hudmeter->sprite->height)} / 2 });
 	DrawWarpedDecal(hudmeter, { meter_SHOTS[0] + hudLoc + vf2d{float(hudmeter->sprite->width),float(hudmeter->sprite->height)} / 2,meter_SHOTS[1] + hudLoc + vf2d{float(hudmeter->sprite->width),float(hudmeter->sprite->height)} / 2,meter_SHOTS[2].lerp(meter_SHOTS[1],1 - float(shotsUpgrades) / maxShotsUpgrades) + hudLoc + vf2d{float(hudmeter->sprite->width),float(hudmeter->sprite->height)} / 2, meter_SHOTS[3].lerp(meter_SHOTS[0],1-float(shotsUpgrades) / maxShotsUpgrades) + hudLoc + vf2d{float(hudmeter->sprite->width),float(hudmeter->sprite->height)} / 2});
 	DrawDecal(hudLoc, hud, { 1.05,1.05 });
+	SetDecalMode(DecalMode::NORMAL);
 	DrawDecal(hudLoc + vf2d{ 704+32,56+18 }, life4, { 1,1 }, float(hp) / maxHP > 0.75f ? WHITE : VERY_DARK_GREEN);
 	DrawDecal(hudLoc + vf2d{ 704 - 64+32,56+18 }, life3, { 1,1 }, float(hp) / maxHP > 0.34f && float(hp) / maxHP <= 0.75f ? WHITE : VERY_DARK_GREEN);
 	DrawDecal(hudLoc + vf2d{ 704 - 128+32,56+18 }, life2, { 1,1 }, hp > 0 && float(hp) / maxHP <= 0.34f ? WHITE : VERY_DARK_GREEN);
@@ -1795,7 +1798,18 @@ void FaceBall::RenderHud(float fElapsedTime) {
 			}
 		}
 		DrawStringDecal(vf2d{ hudOffset + float(ScreenWidth() / 2 - GetTextSize(hudDisplayText).x / 2 * 4) + 32,float(ScreenHeight() - 128 - GetTextSize(hudDisplayText).y * 4) + 18 }, hudDisplayText, { 192,192,255 }, { 4,4 });
+		SetDecalMode(DecalMode::ADDITIVE);
 		DrawDecal({ float(ScreenWidth() / 2 - crosshair->sprite->width / 2),float(ScreenHeight() / 2 - crosshair->sprite->height / 2) }, crosshair, { 1,1 }, {255,255,255,128});
+		if (stopDuration > 0) {
+			DrawPartialDecal({ hudOffset + float(ScreenWidth() / 10 - 16), float(ScreenHeight() / 4 - 16 * 4) }, vf2d{ 32,32 }*4, powerups_tex, { 3 * 32,0 }, { 32,32 },stopDuration>7?WHITE:stopDuration>2?std::abs(std::sin(10*stopDuration))>0.65?WHITE:BLACK: std::abs(std::sin(30 * stopDuration)) > 0.75 ? WHITE : BLACK);
+		}
+		if (shieldDuration > 0) {
+			DrawPartialDecal({ hudOffset + float(ScreenWidth() / 10 - 16), float(ScreenHeight() / 4 + ScreenHeight() / 4 * 1 - 16 * 4) }, vf2d{ 32,32 }*4, powerups_tex, { 4 * 32,0 }, { 32,32 }, shieldDuration > 7 ? WHITE : shieldDuration > 2 ? std::abs(std::sin(10 * shieldDuration)) > 0.65 ? WHITE : BLACK : std::abs(std::sin(30 * shieldDuration)) > 0.75 ? WHITE : BLACK);
+		}
+		if (camoDuration > 0) {
+			DrawPartialDecal({ hudOffset + float(ScreenWidth() / 10 - 16), float(ScreenHeight() / 4 + ScreenHeight() / 4 * 2 - 16 * 4) }, vf2d{ 32,32 }*4, powerups_tex, { 5 * 32,0 }, { 32,32 },camoDuration>7?WHITE:camoDuration>2?std::abs(std::sin(10*camoDuration))>0.65?WHITE:BLACK: std::abs(std::sin(30 * camoDuration)) > 0.75 ? WHITE : BLACK);
+		}
+		SetDecalMode(DecalMode::NORMAL);
 	}
 	GradientFillRectDecal({ 0,0 }, vf2d{ (float)ScreenWidth()/2,(float)ScreenHeight()/2 }, { (uint8_t)screenCol.r,(uint8_t)screenCol.g,(uint8_t)screenCol.b,(uint8_t)(hudShakeTime>0.2f?120:hudShakeTime>0?64:0) }, { (uint8_t)screenCol.r,(uint8_t)screenCol.g,(uint8_t)screenCol.b,(uint8_t)(hudShakeTime>0.2f?120:hudShakeTime>0?64:0) }, { (uint8_t)screenCol.r,(uint8_t)screenCol.g,(uint8_t)screenCol.b,(uint8_t)(hudShakeTime > 0.2f ? 64 : 0) }, { (uint8_t)screenCol.r,(uint8_t)screenCol.g,(uint8_t)screenCol.b,(uint8_t)(hudShakeTime>0.2f?120:hudShakeTime>0?64:0) });
 	GradientFillRectDecal({ float(ScreenWidth()/2),0}, vf2d{(float)ScreenWidth() / 2,(float)ScreenHeight() / 2}, {(uint8_t)screenCol.r,(uint8_t)screenCol.g,(uint8_t)screenCol.b,(uint8_t)(hudShakeTime>0.2f?120:hudShakeTime>0?64:0)}, { (uint8_t)screenCol.r,(uint8_t)screenCol.g,(uint8_t)screenCol.b,(uint8_t)(hudShakeTime > 0.2f ? 64 : 0) }, {(uint8_t)screenCol.r,(uint8_t)screenCol.g,(uint8_t)screenCol.b,(uint8_t)(hudShakeTime>0.2f?120:hudShakeTime>0?64:0)}, {(uint8_t)screenCol.r,(uint8_t)screenCol.g,(uint8_t)screenCol.b,(uint8_t)(hudShakeTime>0.2f?120:hudShakeTime>0?64:0)});
@@ -2060,6 +2074,15 @@ bool FaceBall::OnUserUpdate(float fElapsedTime)
 	switch (mode) {
 		case GAME: {
 			hudDisplayText = "";
+			if (stopDuration > 0) {
+				stopDuration -= fElapsedTime;
+			}
+			if (shieldDuration > 0) {
+				shieldDuration -= fElapsedTime;
+			}
+			if (camoDuration > 0) {
+				camoDuration -= fElapsedTime;
+			}
 			for (std::vector<Bullet>::iterator it = bullets.begin(); it != bullets.end();) {
 				Bullet& b = *it;
 				if (!b.Update(fElapsedTime)) {
@@ -2092,6 +2115,33 @@ bool FaceBall::OnUserUpdate(float fElapsedTime)
 					powerups[lastPowerupCollidedWith].opened = true;
 					hudDisplayText = powerupData[powerups[lastPowerupCollidedWith].type].name;
 					if (GetKey(F).bPressed) {
+						Powerup& power = powerups[lastPowerupCollidedWith];
+						switch (power.type) {
+							case PowerupType::ARMOR: {
+								armorUpgrades++;
+							}break;
+							case PowerupType::SPEED: {
+								speedUpgrades++;
+							}break;
+							case PowerupType::SHOTS: {
+								shotsUpgrades++;
+							}break;
+							case PowerupType::STOP: {
+								stopDuration = 20;
+							}break;
+							case PowerupType::SHIELD: {
+								shieldDuration = 20;
+							}break;
+							case PowerupType::CAMO: {
+								camoDuration = 20;
+							}break;
+							case PowerupType::MAP: {
+								hasMapUpgrade = true;
+							}break;
+							case PowerupType::COIN: {
+								score += 1000;
+							}break;
+						}
 						powerups.erase(powerups.begin() + lastPowerupCollidedWith);
 						lastPowerupCollidedWith = -1;
 					}
@@ -2105,6 +2155,7 @@ bool FaceBall::OnUserUpdate(float fElapsedTime)
 				respawnTimer -= fElapsedTime;
 				if (respawnTimer <= 0.0f) {
 					lives--;
+					hasMapUpgrade = false;
 					if (lives > 0) {
 						hp = maxHP;
 						player.UpdatePos(spawnLoc);

Faceball2030/main.h

@@ -287,6 +287,8 @@ class FaceBall : public PixelGameEngine
 	double gameTimer = 0;
 	int lastPowerupCollidedWith = -1;
 	std::string hudDisplayText = "";
+	float stopDuration = 0,shieldDuration=0,camoDuration=0;
+	bool hasMapUpgrade = false;
 
 	mat4x4 matProj;
 
@@ -299,8 +301,8 @@ class FaceBall : public PixelGameEngine
 	float pitch = -PI / 6;
 
 	std::array<vf2d,4> meter_ARMOR = {
-		vf2d{1034,218},
+		vf2d{1039,218},
-		vf2d{1039,260},
+		vf2d{1040,260},
 		vf2d{1166,244},
 		vf2d{1164,195}
 	},
@@ -320,6 +322,7 @@ class FaceBall : public PixelGameEngine
 	Player player = { {3.7,0.3,0.7}, {{0.5,0.5},0.2} };
 	int hp = 3;
 	int maxHP=hp;
+	int score = 0;
 	Object walls;
 	Object exit;
 	vec3d freeRoamCamera = { 1,0.5,1 };