render v2, ready

SpaceCadetPinball/SpaceCadetPinball.cpp

@@ -61,7 +61,7 @@ int main()
 	visualKickerStruct kicker1{};
 	loader::kicker(509, &kicker1);
 
-	auto score1 = score::create("score1", 117);
+	auto score1 = score::create("score1", nullptr);
 
 	auto pinballTable = new TPinballTable();
 	//pinballTable->find_component(1);

SpaceCadetPinball/TPinballComponent.cpp

@@ -47,7 +47,7 @@ TPinballComponent::TPinballComponent(TPinballTable* table, int groupIndex, bool
 			zMap = static_cast<zmap_header_type*>(ListZMap->Get(0));
 		if (ListBitmap)
 		{
-			visual_rect bmp1Rect{}, tmpRect{};
+			rectangle_type bmp1Rect{}, tmpRect{};
 			auto rootBmp = static_cast<gdrv_bitmap8*>(ListBitmap->Get(0));
 			bmp1Rect.XPosition = rootBmp->XPosition - table->XOffset;
 			bmp1Rect.YPosition = rootBmp->YPosition - table->YOffset;

SpaceCadetPinball/TPinballTable.cpp

@@ -58,7 +58,7 @@ TPinballTable::TPinballTable(): TPinballComponent(nullptr, -1, false)
 	TLightGroup* lightGroupObj = new TLightGroup(this, 0);
 	this->LightGroup = lightGroupObj;
 
-	auto score1 = score::create("score1", pinball::render_background_bitmap);
+	auto score1 = score::create("score1", render::background_bitmap);
 	this->Score1 = score1;
 	this->Score2 = score1;
 	int scoreIndex = 1;
@@ -71,8 +71,8 @@ TPinballTable::TPinballTable(): TPinballComponent(nullptr, -1, false)
 	while (scoreIndex < 4);
 	this->UnknownP45 = 0;
 	this->UnknownP73 = 3;
-	this->ScoreBallcount = (int*)score::create("ballcount1", pinball::render_background_bitmap);
-	this->ScorePlayerNumber1 = (int*)score::create("player_number1", pinball::render_background_bitmap);
+	this->ScoreBallcount = (int*)score::create("ballcount1", render::background_bitmap);
+	this->ScorePlayerNumber1 = (int*)score::create("player_number1", render::background_bitmap);
 	int groupIndexObjects = loader::query_handle("table_objects");
 
 	short* shortArr = loader::query_iattribute(groupIndexObjects, 1025, &shortArrLength);

SpaceCadetPinball/maths.cpp

@@ -2,7 +2,7 @@
 #include "maths.h"
 
 
-void maths::enclosing_box(visual_rect* rect1, visual_rect* rect2, visual_rect* dstRect)
+void maths::enclosing_box(rectangle_type* rect1, rectangle_type* rect2, rectangle_type* dstRect)
 {
 	int xPos1 = rect1->XPosition;
 	int yPos1 = rect1->YPosition;
@@ -34,3 +34,85 @@ void maths::enclosing_box(visual_rect* rect1, visual_rect* rect2, visual_rect* d
 	dstRect->XPosition = xPos1;
 	dstRect->Width = width1;
 }
+
+
+int maths::rectangle_clip(rectangle_type* rect1, rectangle_type* rect2, rectangle_type* dstRect)
+{
+	int xPos1 = rect1->XPosition;
+	int yPos1 = rect1->YPosition;
+	int height1 = rect1->Height;
+	int xRight2 = rect2->XPosition + rect2->Width;
+	int width1 = rect1->Width;
+	int yRight2 = rect2->YPosition + rect2->Height;
+	if (xPos1 + width1 < rect2->XPosition)
+		return 0;
+	if (xPos1 >= xRight2)
+		return 0;
+	int yPos2 = yPos1;
+	if (yPos1 + height1 < rect2->YPosition || yPos1 >= yRight2)
+		return 0;
+	if (xPos1 < rect2->XPosition)
+	{
+		width1 += xPos1 - rect2->XPosition;
+		xPos1 = rect2->XPosition;
+	}
+	if (xPos1 + width1 > xRight2)
+		width1 = xRight2 - xPos1;
+	int height2 = height1;
+	if (yPos1 < rect2->YPosition)
+	{
+		height2 = yPos1 - rect2->YPosition + height1;
+		yPos2 = rect2->YPosition;
+	}
+	if (height2 + yPos2 > yRight2)
+		height2 = yRight2 - yPos2;
+	if (!width1 || !height2)
+		return 0;
+	if (dstRect)
+	{
+		dstRect->XPosition = xPos1;
+		dstRect->YPosition = yPos2;
+		dstRect->Width = width1;
+		dstRect->Height = height2;
+	}
+	return 1;
+}
+
+
+int maths::overlapping_box(rectangle_type* rect1, rectangle_type* rect2, rectangle_type* dstRect)
+{
+	int v3; // esi
+	int v4; // edi
+	int v5; // esi
+	int v6; // esi
+	int v7; // edi
+
+	if (rect1->XPosition >= rect2->XPosition)
+	{
+		dstRect->XPosition = rect2->XPosition;
+		v3 = rect1->Width - rect2->XPosition;
+		v4 = rect1->XPosition;
+	}
+	else
+	{
+		dstRect->XPosition = rect1->XPosition;
+		v3 = rect2->Width - rect1->XPosition;
+		v4 = rect2->XPosition;
+	}
+	dstRect->Width = v3 + v4 + 1;
+	v5 = rect1->YPosition;
+	if (v5 >= rect2->YPosition)
+	{
+		dstRect->YPosition = rect2->YPosition;
+		v6 = rect1->Height - rect2->YPosition;
+		v7 = rect1->YPosition;
+	}
+	else
+	{
+		dstRect->YPosition = v5;
+		v6 = rect2->Height - rect1->YPosition;
+		v7 = rect2->YPosition;
+	}
+	dstRect->Height = v6 + v7 + 1;
+	return dstRect->Width <= rect2->Width + rect1->Width && dstRect->Height <= rect2->Height + rect1->Height;
+}

SpaceCadetPinball/maths.h

@@ -1,7 +1,7 @@
 #pragma once
 
 
-struct __declspec(align(4)) visual_rect
+struct __declspec(align(4)) rectangle_type
 {
 	int XPosition;
 	int YPosition;
@@ -12,7 +12,7 @@ struct __declspec(align(4)) visual_rect
 class maths
 {
 public:
-	static void enclosing_box(visual_rect* rect1, visual_rect* rect2, visual_rect* dstRect);
-	
+	static void enclosing_box(rectangle_type* rect1, rectangle_type* rect2, rectangle_type* dstRect);
+	static int rectangle_clip(rectangle_type* rect1, rectangle_type* rect2, rectangle_type* dstRect);
+	static int overlapping_box(rectangle_type* rect1, rectangle_type* rect2, rectangle_type* dstRect);
 };
-

SpaceCadetPinball/pinball.cpp

@@ -4,7 +4,6 @@
 
 
 int pinball::quickFlag = 0;
-int pinball::render_background_bitmap = 0;
 TTextBox* pinball::InfoTextBox;
 TTextBox* pinball::MissTextBox;
 char pinball::getRcBuffer[6 * 256];

SpaceCadetPinball/pinball.h

@@ -5,7 +5,6 @@ class pinball
 {
 public:
 	static int quickFlag;
-	static int render_background_bitmap;
 	static TTextBox* InfoTextBox;
 	static TTextBox* MissTextBox;
 	static HINSTANCE hinst;

SpaceCadetPinball/render.cpp

@@ -1,75 +1,256 @@
 #include "pch.h"
 #include "render.h"
-
 #include "memory.h"
 
 int render::blit = 0;
 int render::many_dirty, render::many_sprites, render::many_balls;
-render_sprite_type_struct **render::dirty_list = new render_sprite_type_struct*[1000], **render::sprite_list = new
-	                          render_sprite_type_struct* [1000], **render::ball_list = new render_sprite_type_struct* [
-	                          1000];
+render_sprite_type_struct **render::dirty_list, **render::sprite_list, **render::ball_list;
 zmap_header_type* render::background_zmap;
-int render::zmap_offset, render::zmap_offsetY;
+int render::zmap_offset, render::zmap_offsetY, render::offset_x, render::offset_y;
+float render::zscaler, render::zmin, render::zmax;
+rectangle_type render::vscreen_rect;
+gdrv_bitmap8 render::vscreen, *render::background_bitmap, render::ball_bitmap[20];
+zmap_header_type render::zscreen;
+
+void render::init(gdrv_bitmap8* bmp, float zMin, float zScaler, int width, int height)
+{
+	++memory::critical_allocation;
+	zscaler = zScaler;
+	zmin = zMin;
+	zmax = 4294967300.0f / zScaler + zMin;
+	sprite_list = (render_sprite_type_struct**)memory::allocate(0xFA0u);
+	dirty_list = (render_sprite_type_struct**)memory::allocate(0xFA0u);
+	ball_list = (render_sprite_type_struct**)memory::allocate(0x50u);
+	gdrv::create_bitmap(&vscreen, width, height);
+	zdrv::create_zmap(&zscreen, width, height);
+	zdrv::fill(&zscreen, zscreen.Width, zscreen.Height, 0, 0, 0xFFFF);
+	vscreen_rect.YPosition = 0;
+	vscreen_rect.XPosition = 0;
+	vscreen_rect.Width = width;
+	vscreen_rect.Height = height;
+	vscreen.YPosition = 0;
+	vscreen.XPosition = 0;
+	gdrv_bitmap8* ballBmp = ball_bitmap;
+	while (ballBmp <= &ball_bitmap[20])
+	{
+		gdrv::create_raw_bitmap(ballBmp, 64, 64, 1);
+		++ballBmp;
+	}
+	background_bitmap = bmp;
+	if (bmp)
+		gdrv::copy_bitmap(&vscreen, width, height, 0, 0, bmp, 0, 0);
+	else
+		gdrv::fill_bitmap(&vscreen, vscreen.Width, vscreen.Height, 0, 0, 0);
+	--memory::critical_allocation;
+}
+
+void render::uninit()
+{
+	gdrv::destroy_bitmap(&vscreen);
+	zdrv::destroy_zmap(&zscreen);
+	for (int i = 0; i < many_sprites; ++i)
+		remove_sprite(sprite_list[i]);
+	for (int j = 0; j < many_balls; ++j)
+		remove_ball(ball_list[j]);
+	memory::free(ball_list);
+	memory::free(dirty_list);
+	memory::free(sprite_list);
+	many_sprites = 0;
+	many_dirty = 0;
+	many_balls = 0;
+}
 
 void render::update()
 {
+	rectangle_type overlapRect{};
+
+	auto dirtyPtr = dirty_list;
+	for (int index = 0; index < many_dirty; ++dirtyPtr, ++index)
+	{
+		auto curSprite = *dirtyPtr;
+		if ((*dirtyPtr)->VisualType != VisualType::None)
+		{
+			if ((*dirtyPtr)->VisualType == VisualType::Sprite)
+			{
+				if (curSprite->BmpRectCopy.Width > 0)
+					maths::enclosing_box(&curSprite->BmpRectCopy, &curSprite->BmpRect, &curSprite->DirtyRect);
+
+				if (!maths::rectangle_clip(&curSprite->DirtyRect, &vscreen_rect, &curSprite->DirtyRect))
+				{
+					curSprite->DirtyRect.Width = -1;
+					continue;
+				}
+
+				auto yPos = curSprite->DirtyRect.YPosition;
+				auto width = curSprite->DirtyRect.Width;
+				auto xPos = curSprite->DirtyRect.XPosition;
+				auto height = curSprite->DirtyRect.Height;
+				zdrv::fill(&zscreen, width, height, xPos, yPos, 0xFFFF);
+				if (background_bitmap)
+					gdrv::copy_bitmap(&vscreen, width, height, xPos, yPos, background_bitmap, xPos, yPos);
+				else
+					gdrv::fill_bitmap(&vscreen, width, height, xPos, yPos, 0);
+			}
+		}
+		else
+		{
+			if (!maths::rectangle_clip(&curSprite->BmpRect, &vscreen_rect, &curSprite->DirtyRect))
+			{
+				curSprite->DirtyRect.Width = -1;
+				continue;
+			}
+			if (!curSprite->Bmp)
+			{
+				auto yPos = curSprite->DirtyRect.YPosition;
+				auto width = curSprite->DirtyRect.Width;
+				auto xPos = curSprite->DirtyRect.XPosition;
+				auto height = curSprite->DirtyRect.Height;
+				zdrv::fill(&zscreen, width, height, xPos, yPos, 0xFFFF);
+				if (background_bitmap)
+					gdrv::copy_bitmap(&vscreen, width, height, xPos, yPos, background_bitmap, xPos, yPos);
+				else
+					gdrv::fill_bitmap(&vscreen, width, height, xPos, yPos, 0);
+			}
+		}
+	}
+
+	dirtyPtr = dirty_list;
+	for (int index = 0; index < many_dirty; ++index)
+	{
+		auto sprite = *dirtyPtr;
+		if ((*dirtyPtr)->DirtyRect.Width > 0 && (sprite->VisualType == VisualType::None || sprite->VisualType ==
+			VisualType::Sprite))
+			repaint(*dirtyPtr);
+		++dirtyPtr;
+	}
+
+	paint_balls();
+	if (blit)
+	{
+		gdrv::start_blit_sequence();
+
+		auto xPos = vscreen.XPosition + offset_x;
+		auto yPos = vscreen.YPosition + offset_y;
+		dirtyPtr = dirty_list;
+		for (int index = 0; index < many_dirty; ++dirtyPtr, ++index)
+		{
+			auto sprite = *dirtyPtr;
+			auto dirtyRect = &(*dirtyPtr)->DirtyRect;
+			auto width2 = (*dirtyPtr)->DirtyRect.Width;
+			if (width2 > 0)
+				gdrv::blit_sequence(
+					&vscreen,
+					dirtyRect->XPosition,
+					dirtyRect->YPosition,
+					dirtyRect->XPosition + xPos,
+					dirtyRect->YPosition + yPos,
+					width2,
+					dirtyRect->Height);
+
+			auto rect = &sprite->BmpRectCopy;
+			rect->XPosition = dirtyRect->XPosition;
+			rect->YPosition = dirtyRect->YPosition;
+			rect->Width = dirtyRect->Width;
+			rect->Height = dirtyRect->Height;
+
+			if (sprite->Unknown6_0 != 0)
+				remove_sprite(sprite);
+		}
+
+		dirtyPtr = ball_list;
+		for (int index = 0; index < many_balls; ++dirtyPtr, ++index)
+		{
+			auto rectCopy = &(*dirtyPtr)->BmpRectCopy;
+			auto dirtyRect = &(*dirtyPtr)->DirtyRect;
+			if (maths::overlapping_box(dirtyRect, rectCopy, &overlapRect) && dirtyRect->Width > 0)
+			{
+				if (overlapRect.Width > 0)
+					gdrv::blit_sequence(
+						&vscreen,
+						overlapRect.XPosition,
+						overlapRect.YPosition,
+						overlapRect.XPosition + xPos,
+						overlapRect.YPosition + yPos,
+						overlapRect.Width,
+						overlapRect.Height);
+			}
+			else
+			{
+				if (dirtyRect->Width > 0)
+					gdrv::blit_sequence(
+						&vscreen,
+						dirtyRect->XPosition,
+						dirtyRect->YPosition,
+						dirtyRect->XPosition + xPos,
+						dirtyRect->YPosition + yPos,
+						dirtyRect->Width,
+						dirtyRect->Height);
+				if (rectCopy->Width > 0)
+					gdrv::blit_sequence(
+						&vscreen,
+						rectCopy->XPosition,
+						rectCopy->YPosition,
+						rectCopy->XPosition + xPos,
+						rectCopy->YPosition + yPos,
+						rectCopy->Width,
+						rectCopy->Height);
+			}
+		}
+
+		gdrv::end_blit_sequence();
+	}
+
+	many_dirty = 0;
+	unpaint_balls();
 }
 
 
 void render::paint()
 {
-	/*render_paint_balls();
-	gdrv_blat((int)&vscreen, xDest, yDest);
-	render_unpaint_balls();*/
+	paint_balls();
+	gdrv::blat(&vscreen, vscreen.XPosition, vscreen.YPosition);
+	unpaint_balls();
 }
 
-
-int render::sprite_modified(render_sprite_type_struct* sprite)
+void render::sprite_modified(render_sprite_type_struct* sprite)
 {
-	int result = 0; // eax
-
-	if (sprite->VisualType == VisualType::Ball)
-		return result;
-	result = many_dirty;
-	if (many_dirty < 999)
+	if (sprite->VisualType != VisualType::Ball && many_dirty < 999)
 		dirty_list[many_dirty++] = sprite;
-	return result;
 }
 
-render_sprite_type_struct* render::create_sprite(VisualType visualType, gdrv_bitmap8* rootBmp8, zmap_header_type* zMap,
-                                                 int xPosition, int yPosition, visual_rect* rect)
+render_sprite_type_struct* render::create_sprite(VisualType visualType, gdrv_bitmap8* bmp, zmap_header_type* zMap,
+                                                 int xPosition, int yPosition, rectangle_type* rect)
 {
-	render_sprite_type_struct* sprite = (render_sprite_type_struct*)memory::allocate(0x5Cu);
-	render_sprite_type_struct* result = nullptr;
+	auto sprite = (render_sprite_type_struct*)memory::allocate(sizeof(render_sprite_type_struct));
 	if (!sprite)
-		return result;
-	sprite->YPosition = yPosition;
-	sprite->RootBmp8 = rootBmp8;
-	sprite->XPosition = xPosition;
+		return nullptr;
+	sprite->BmpRect.YPosition = yPosition;
+	sprite->BmpRect.XPosition = xPosition;
+	sprite->Bmp = bmp;
 	sprite->VisualType = visualType;
 	sprite->Unknown6_0 = 0;
-	sprite->Unknown17 = 0;
-	sprite->Unknown18 = 0;
+	sprite->SpriteArray = nullptr;
+	sprite->SpriteCount = 0;
 	if (rect)
 	{
-		sprite->Rect = *rect;
+		sprite->BoundingRect = *rect;
 	}
 	else
 	{
-		sprite->Rect.Width = -1;
-		sprite->Rect.Height = -1;
-		sprite->Rect.XPosition = 0;
-		sprite->Rect.YPosition = 0;
+		sprite->BoundingRect.Width = -1;
+		sprite->BoundingRect.Height = -1;
+		sprite->BoundingRect.XPosition = 0;
+		sprite->BoundingRect.YPosition = 0;
 	}
-	if (rootBmp8)
+	if (bmp)
 	{
-		sprite->Bmp8Width = rootBmp8->Width;
-		sprite->Bmp8Height = rootBmp8->Height;
+		sprite->BmpRect.Width = bmp->Width;
+		sprite->BmpRect.Height = bmp->Height;
 	}
 	else
 	{
-		sprite->Bmp8Width = 0;
-		sprite->Bmp8Height = 0;
+		sprite->BmpRect.Width = 0;
+		sprite->BmpRect.Height = 0;
 	}
 	sprite->ZMap = zMap;
 	sprite->ZMapOffestX = 0;
@@ -80,10 +261,7 @@ render_sprite_type_struct* render::create_sprite(VisualType visualType, gdrv_bit
 		sprite->ZMapOffestY = xPosition - zmap_offset;
 		sprite->ZMapOffestX = yPosition - zmap_offsetY;
 	}
-	sprite->XPosition2 = sprite->XPosition;
-	sprite->YPosition2 = sprite->YPosition;
-	sprite->Bmp8Width2 = sprite->Bmp8Width;
-	sprite->Bmp8Height2 = sprite->Bmp8Height;
+	sprite->BmpRectCopy = sprite->BmpRect;
 	if (visualType == VisualType::Ball)
 	{
 		ball_list[many_balls++] = sprite;
@@ -93,6 +271,255 @@ render_sprite_type_struct* render::create_sprite(VisualType visualType, gdrv_bit
 		sprite_list[many_sprites++] = sprite;
 		sprite_modified(sprite);
 	}
-	result = sprite;
-	return result;
+	return sprite;
+}
+
+
+void render::remove_sprite(render_sprite_type_struct* sprite)
+{
+	int spriteCount = many_sprites;
+	int index = 0;
+	if (many_sprites > 0)
+	{
+		while (sprite_list[index] != sprite)
+		{
+			if (++index >= many_sprites)
+				return;
+		}
+		while (index < spriteCount)
+		{
+			sprite_list[index] = sprite_list[index + 1];
+			spriteCount = many_sprites;
+			++index;
+		}
+		many_sprites = spriteCount - 1;
+		if (sprite->SpriteArray)
+			memory::free(sprite->SpriteArray);
+		memory::free(sprite);
+	}
+}
+
+void render::remove_ball(struct render_sprite_type_struct* ball)
+{
+	int ballCount = many_balls;
+	int index = 0;
+	if (many_balls > 0)
+	{
+		while (ball_list[index] != ball)
+		{
+			if (++index >= many_balls)
+				return;
+		}
+		while (index < ballCount)
+		{
+			ball_list[index] = ball_list[index + 1];
+			ballCount = many_balls;
+			++index;
+		}
+		many_balls = ballCount - 1;
+		memory::free(ball);
+	}
+}
+
+void render::sprite_set(render_sprite_type_struct* sprite, gdrv_bitmap8* bmp, zmap_header_type* zMap, int xPos,
+                        int yPos)
+{
+	if (sprite)
+	{
+		sprite->BmpRect.XPosition = xPos;
+		sprite->BmpRect.YPosition = yPos;
+		sprite->Bmp = bmp;
+		if (bmp)
+		{
+			sprite->BmpRect.Width = bmp->Width;
+			sprite->BmpRect.Height = bmp->Height;
+		}
+		sprite->ZMap = zMap;
+		sprite_modified(sprite);
+	}
+}
+
+void render::sprite_set_bitmap(render_sprite_type_struct* sprite, gdrv_bitmap8* bmp)
+{
+	if (sprite && sprite->Bmp != bmp)
+	{
+		sprite->Bmp = bmp;
+		if (bmp)
+		{
+			sprite->BmpRect.Width = bmp->Width;
+			sprite->BmpRect.Height = bmp->Height;
+		}
+		sprite_modified(sprite);
+	}
+}
+
+void render::set_background_zmap(struct zmap_header_type* zMap, int offsetX, int offsetY)
+{
+	background_zmap = zMap;
+	zmap_offset = offsetX;
+	zmap_offsetY = offsetY;
+}
+
+void render::ball_set(render_sprite_type_struct* sprite, gdrv_bitmap8* bmp, float depth, int xPos, int yPos)
+{
+	if (sprite)
+	{
+		sprite->Bmp = bmp;
+		if (bmp)
+		{
+			sprite->BmpRect.XPosition = xPos;
+			sprite->BmpRect.YPosition = yPos;
+			sprite->BmpRect.Width = bmp->Width;
+			sprite->BmpRect.Height = bmp->Height;
+		}
+		if (depth >= zmin)
+		{
+			float depth2 = (depth - zmin) * zscaler;
+			if (depth2 <= zmax)
+				sprite->Depth = static_cast<short>(depth2);
+			else
+				sprite->Depth = -1;
+		}
+		else
+		{
+			sprite->Depth = 0;
+		}
+	}
+}
+
+void render::repaint(struct render_sprite_type_struct* sprite)
+{
+	rectangle_type clipRect{};
+	if (!sprite->SpriteArray)
+		return;
+	for (int index = 0; index < sprite->SpriteCount; index++)
+	{
+		render_sprite_type_struct* curSprite = sprite->SpriteArray[index];
+		if (!curSprite->Unknown6_0 && curSprite->Bmp)
+		{
+			if (maths::rectangle_clip(&curSprite->BmpRect, &sprite->DirtyRect, &clipRect))
+				zdrv::paint(
+					clipRect.Width,
+					clipRect.Height,
+					&vscreen,
+					clipRect.XPosition,
+					clipRect.YPosition,
+					&zscreen,
+					clipRect.XPosition,
+					clipRect.YPosition,
+					curSprite->Bmp,
+					clipRect.XPosition - curSprite->BmpRect.XPosition,
+					clipRect.YPosition - curSprite->BmpRect.YPosition,
+					curSprite->ZMap,
+					clipRect.XPosition + curSprite->ZMapOffestY - curSprite->BmpRect.XPosition,
+					clipRect.YPosition + curSprite->ZMapOffestX - curSprite->BmpRect.YPosition);
+		}
+	}
+}
+
+
+void render::paint_balls()
+{
+	int ballCount = many_balls;
+	if (many_balls > 1)
+	{
+		for (int index = 0; index < ballCount; index++)
+		{
+			for (int i = index; i < ballCount / 2; ++i)
+			{
+				auto curBall = ball_list[i];
+				auto firstBallPtr = &ball_list[index];
+				if ((*firstBallPtr)->Depth > curBall->Depth)
+				{
+					auto firstBall = *firstBallPtr;
+					*firstBallPtr = curBall;
+					ball_list[i] = firstBall;
+				}
+			}
+		}
+	}
+
+	auto ballPtr = ball_list;
+	auto ballBmpPtr = ball_bitmap;
+	for (int index2 = 0; index2 < many_balls; ++index2)
+	{
+		struct render_sprite_type_struct* sprite = *ballPtr;
+		rectangle_type* rect2 = &(*ballPtr)->DirtyRect;
+		if ((*ballPtr)->Bmp && maths::rectangle_clip(&sprite->BmpRect, &vscreen_rect, &(*ballPtr)->DirtyRect))
+		{
+			int xPos = rect2->XPosition;
+			int yPos = rect2->YPosition;
+			gdrv::copy_bitmap(ballBmpPtr, rect2->Width, rect2->Height, 0, 0, &vscreen, xPos, yPos);
+			zdrv::paint_flat(
+				rect2->Width,
+				rect2->Height,
+				&vscreen,
+				xPos,
+				yPos,
+				&zscreen,
+				xPos,
+				yPos,
+				sprite->Bmp,
+				xPos - sprite->BmpRect.XPosition,
+				yPos - sprite->BmpRect.YPosition,
+				sprite->Depth);
+		}
+		else
+		{
+			rect2->Width = -1;
+		}
+
+		++ballBmpPtr;
+		++ballPtr;
+	}
+}
+
+void render::unpaint_balls()
+{
+	auto ballPtr = &ball_list[many_balls - 1];
+	if (many_balls - 1 >= 0)
+	{
+		gdrv_bitmap8* bitmapPtr = &ball_bitmap[many_balls - 1];
+		for (int index = many_balls; index > 0; index--)
+		{
+			struct render_sprite_type_struct* curBall = *ballPtr;
+			rectangle_type* rect2 = &(*ballPtr)->DirtyRect;
+			int width = (*ballPtr)->DirtyRect.Width;
+			if (width > 0)
+				gdrv::copy_bitmap(
+					&vscreen,
+					width,
+					(*ballPtr)->DirtyRect.Height,
+					(*ballPtr)->DirtyRect.XPosition,
+					(*ballPtr)->DirtyRect.YPosition,
+					bitmapPtr,
+					0,
+					0);
+
+			rectangle_type* rectCopy = &curBall->BmpRectCopy;
+			rectCopy->XPosition = rect2->XPosition;
+			rectCopy->YPosition = rect2->YPosition;
+			rectCopy->Width = rect2->Width;
+			rectCopy->Height = rect2->Height;
+
+			--ballPtr;
+			--bitmapPtr;
+		}
+	}
+}
+
+void render::shift(int offsetX, int offsetY, int xSrc, int ySrc, int DestWidth, int DestHeight)
+{
+	offset_x += offsetX;
+	offset_y += offsetY;
+	paint_balls();
+	gdrv::blit(
+		&vscreen,
+		xSrc,
+		ySrc,
+		xSrc + offset_x + vscreen.XPosition,
+		ySrc + offset_y + vscreen.YPosition,
+		DestWidth,
+		DestHeight);
+	unpaint_balls();
 }

SpaceCadetPinball/render.h

@@ -12,30 +12,22 @@ enum class VisualType : char
 
 struct __declspec(align(4)) render_sprite_type_struct
 {
-	int XPosition;
-	int YPosition;
-	int Bmp8Width;
-	int Bmp8Height;
-	gdrv_bitmap8* RootBmp8;
+	rectangle_type BmpRect;
+	gdrv_bitmap8* Bmp;
 	zmap_header_type* ZMap;
 	char Unknown6_0;
 	VisualType VisualType;
-	short Depth;
-	int XPosition2;
-	int YPosition2;
-	int Bmp8Width2;
-	int Bmp8Height2;
+	__int16 Depth;
+	rectangle_type BmpRectCopy;
 	int ZMapOffestY;
 	int ZMapOffestX;
-	int Unknown13;
-	int Unknown14;
-	int Unknown15;
-	int Unknown16;
-	int Unknown17;
-	int Unknown18;
-	visual_rect Rect;
+	rectangle_type DirtyRect;
+	render_sprite_type_struct** SpriteArray;
+	int SpriteCount;
+	rectangle_type BoundingRect;
 };
 
+
 static_assert(sizeof(render_sprite_type_struct) == 0x5c, "Wrong size render_sprite_type_struct");
 
 class render
@@ -45,12 +37,29 @@ public:
 	static int many_dirty, many_sprites, many_balls;
 	static render_sprite_type_struct **dirty_list, **sprite_list, **ball_list;
 	static zmap_header_type* background_zmap;
-	static int zmap_offset, zmap_offsetY;
+	static int zmap_offset, zmap_offsetY, offset_x, offset_y;
+	static float zscaler, zmin, zmax;
+	static rectangle_type vscreen_rect;
+	static gdrv_bitmap8 vscreen, *background_bitmap, ball_bitmap[20];
+	static zmap_header_type zscreen;
 
+	static void init(gdrv_bitmap8* bmp, float zMin, float zScaler, int width, int height);
+	static void uninit();
 	static void update();
 	static void paint();
-	static int sprite_modified(render_sprite_type_struct* sprite);
-	static render_sprite_type_struct* create_sprite(VisualType visualType, gdrv_bitmap8* rootBmp8,
+	static void sprite_modified(render_sprite_type_struct* sprite);
+	static render_sprite_type_struct* create_sprite(VisualType visualType, gdrv_bitmap8* bmp,
 	                                                zmap_header_type* zMap,
-	                                                int xPosition, int yPosition, visual_rect* rect);
+	                                                int xPosition, int yPosition, rectangle_type* rect);
+	static void remove_sprite(render_sprite_type_struct* sprite);
+	static void remove_ball(struct render_sprite_type_struct* ball);
+	static void sprite_set(render_sprite_type_struct* sprite, gdrv_bitmap8* bmp, zmap_header_type* zMap, int xPos,
+	                       int yPos);
+	static void sprite_set_bitmap(render_sprite_type_struct* sprite, gdrv_bitmap8* bmp);
+	static void set_background_zmap(struct zmap_header_type* zMap, int offsetX, int offsetY);
+	static void ball_set(render_sprite_type_struct* sprite, gdrv_bitmap8* bmp, float depth, int xPos, int yPos);
+	static void repaint(struct render_sprite_type_struct* sprite);
+	static void paint_balls();
+	static void unpaint_balls();
+	static void shift(int offsetX, int offsetY, int xSrc, int ySrc, int DestWidth, int DestHeight);
 };

SpaceCadetPinball/score.cpp

@@ -10,13 +10,13 @@ int score::init()
 	return 1;
 }
 
-scoreStruct* score::create(LPCSTR fieldName, int renderBgBmp)
+scoreStruct* score::create(LPCSTR fieldName, gdrv_bitmap8* renderBgBmp)
 {
 	scoreStruct* score = (scoreStruct*)memory::allocate(sizeof(scoreStruct));
 	if (!score)
 		return nullptr;
 	score->Unknown1 = -9999;
-	score->RenderBgBmp = renderBgBmp;
+	score->BackgroundBmp = renderBgBmp;
 	__int16* shortArr = (__int16*)partman::field_labeled(loader::loader_table, fieldName, datFieldTypes::ShortArray);
 	if (!shortArr)
 	{

SpaceCadetPinball/score.h

@@ -1,10 +1,11 @@
 #pragma once
+#include "gdrv.h"
 
 struct scoreStruct
 {
 	int Unknown1;
 	int Unknown2;
-	int RenderBgBmp;
+	gdrv_bitmap8* BackgroundBmp;
 	int Short1;
 	int Short2;
 	int Short3;
@@ -25,6 +26,6 @@ class score
 {
 public:
 	static int init();
-	static scoreStruct* create(LPCSTR fieldName, int renderBgBmp);
+	static scoreStruct* create(LPCSTR fieldName, gdrv_bitmap8* renderBgBmp);
 	static scoreStruct* dup(scoreStruct* score, int scoreIndex);
 };

SpaceCadetPinball/zdrv.cpp

@@ -31,15 +31,11 @@ int zdrv::destroy_zmap(zmap_header_type* zmap)
 		return -1;
 	if (zmap->ZPtr1)
 		memory::free(zmap->ZPtr1);
-	zmap->Width = 0;
-	zmap->Height = 0;
-	zmap->Stride = 0;
-	zmap->ZPtr1 = nullptr;
-	zmap->ZPtr2 = nullptr;
+	memset(zmap, 0, sizeof(zmap_header_type));
 	return 0;
 }
 
-void zdrv::fill(zmap_header_type* zmap, int width, int height, int xOff, int yOff, __int16 fillChar)
+void zdrv::fill(zmap_header_type* zmap, int width, int height, int xOff, int yOff, unsigned __int16 fillChar)
 {
 	int fillCharInt = fillChar | (fillChar << 16);
 	auto zmapPtr = &zmap->ZPtr1[2 * (xOff + zmap->Stride * (zmap->Height - height - yOff))];
@@ -50,7 +46,7 @@ void zdrv::fill(zmap_header_type* zmap, int width, int height, int xOff, int yOf
 		unsigned int widthDiv2 = static_cast<unsigned int>(width) >> 1;
 		memset32(zmapPtr, fillCharInt, widthDiv2);
 
-		__int16* lastShort = (__int16*)&zmapPtr[2 * widthDiv2];
+		auto lastShort = &zmapPtr[2 * widthDiv2];
 		for (int i = widthMod2; i; --i)
 			*lastShort++ = fillChar;
 

SpaceCadetPinball/zdrv.h

@@ -22,7 +22,7 @@ public:
 	static int pad(int width);
 	static int create_zmap(zmap_header_type* zmap, int width, int height);
 	static int destroy_zmap(zmap_header_type* zmap);
-	static void fill(zmap_header_type* zmap, int width, int height, int xOff, int yOff, __int16 fillChar);
+	static void fill(zmap_header_type* zmap, int width, int height, int xOff, int yOff, unsigned __int16 fillChar);
 	static void paint(int width, int height, gdrv_bitmap8* dstBmp, int dstBmpXOff, int dstBmpYOff,
 	                  zmap_header_type* dstZMap, int dstZMapXOff, int dstZMapYOff, gdrv_bitmap8* srcBmp, int srcBmpXOff,
 	                  int srcBmpYOff, zmap_header_type* srcZMap, int srcZMapXOff, int srcZMapYOff);