Merge branch 'reorganisation' of github.com:FacialTurd/The-Powder-Toy

1 files changed, 308 insertions, 0 deletions

diff --git a/src/gui/interface/Engine.cpp b/src/gui/interface/Engine.cpp
new file mode 100644
index 0000000..6911c25
--- /dev/null
+++ b/src/gui/interface/Engine.cpp
@@ -0,0 +1,308 @@
+#include <iostream>
+#include <stack>
+#include <cstdio>
+#include <time.h>
+
+#include "Config.h"
+#include "gui/interface/Window.h"
+#include "gui/interface/Platform.h"
+#include "gui/interface/Engine.h"
+#include "graphics/Graphics.h"
+
+using namespace ui;
+using namespace std;
+
+Engine::Engine():
+	state_(NULL),
+	maxWidth(0),
+	maxHeight(0),
+	mouseb_(0),
+	mousex_(0),
+	mousey_(0),
+	mousexp_(0),
+	mouseyp_(0),
+	FpsLimit(60.0f),
+	windows(stack<Window*>()),
+	mousePositions(stack<Point>()),
+	lastBuffer(NULL),
+	prevBuffers(stack<pixel*>()),
+	windowTargetPosition(0, 0),
+	FrameIndex(0),
+	Fullscreen(false),
+	Scale(1),
+	FastQuit(1),
+	break_(false),
+	lastTick(0)
+{
+}
+
+Engine::~Engine()
+{
+	if(state_ != NULL)
+		delete state_;
+	//Dispose of any Windows.
+	while(!windows.empty())
+	{
+		delete windows.top();
+		windows.pop();
+	}
+	if (lastBuffer)
+		free(lastBuffer);
+}
+
+void Engine::Begin(int width, int height)
+{
+	//engine is now ready
+	running_ = true;
+
+	width_ = width;
+	height_ = height;
+}
+
+void Engine::Break()
+{
+	break_ = true;
+}
+
+void Engine::UnBreak()
+{
+	break_ = false;
+}
+
+void Engine::Exit()
+{
+	running_ = false;
+}
+
+void Engine::ShowWindow(Window * window)
+{
+	windowOpenState = 0.0f;
+	if(window->Position.X==-1)
+	{
+		window->Position.X = (width_-window->Size.X)/2;
+	}
+	if(window->Position.Y==-1)
+	{
+		window->Position.Y = (height_-window->Size.Y)/2;
+	}
+	/*if(window->Position.Y > 0)
+	{
+		windowTargetPosition = window->Position;
+		window->Position = Point(windowTargetPosition.X, height_);
+	}*/
+	if(state_)
+	{
+		if(lastBuffer)
+		{
+			prevBuffers.push(lastBuffer);
+		}
+		lastBuffer = (pixel*)malloc((width_ * height_) * PIXELSIZE);
+
+#ifndef OGLI
+		memcpy(lastBuffer, g->vid, (width_ * height_) * PIXELSIZE);
+#endif
+
+		windows.push(state_);
+		mousePositions.push(ui::Point(mousex_, mousey_));
+	}
+	if(state_)
+		state_->DoBlur();
+
+	state_ = window;
+
+}
+
+int Engine::CloseWindow()
+{
+	if(!windows.empty())
+	{
+		if (lastBuffer)
+		{
+			free(lastBuffer);
+			lastBuffer = NULL;
+		}
+		if(!prevBuffers.empty())
+		{
+			lastBuffer = prevBuffers.top();
+			prevBuffers.pop();
+		}
+		state_ = windows.top();
+		windows.pop();
+
+		if(state_)
+			state_->DoFocus();
+
+		ui::Point mouseState = mousePositions.top();
+		mousePositions.pop();
+		if(state_)
+		{
+			mousexp_ = mouseState.X;
+			mouseyp_ = mouseState.Y;
+			state_->DoMouseMove(mousex_, mousey_, mousex_ - mousexp_, mousey_ - mouseyp_);
+			mousexp_ = mousex_;
+			mouseyp_ = mousey_;
+		}
+		return 0;
+	}
+	else
+	{
+		state_ = NULL;
+		return 1;
+	}
+}
+
+/*void Engine::SetState(State * state)
+{
+	if(state_) //queue if currently in a state
+		statequeued_ = state;
+	else
+	{
+		state_ = state;
+		if(state_)
+			state_->DoInitialized();
+	}
+}*/
+
+void Engine::SetSize(int width, int height)
+{
+	width_ = width;
+	height_ = height;
+}
+
+void Engine::SetMaxSize(int width, int height)
+{
+	maxWidth = width;
+	maxHeight = height;
+}
+
+void Engine::Tick()
+{
+	if(state_ != NULL)
+		state_->DoTick(dt);
+
+
+	lastTick = clock();
+	if(windowOpenState<1.0f)
+	{
+		if(lastBuffer)
+		{
+			pixel * vid = g->vid;
+			g->vid = lastBuffer;
+			g->fillrect(0, 0, width_, height_, 0, 0, 0, 5);
+			g->vid = vid;
+
+		}
+		/*if(windowTargetPosition.Y < state_->Position.Y)
+		{
+			state_->Position.Y += windowTargetPosition.Y/20;
+		}*/
+		windowOpenState += 0.05f;//*dt;
+	}
+
+	/*if(statequeued_ != NULL)
+	{
+		if(state_ != NULL)
+		{
+			state_->DoExit();
+			delete state_;
+			state_ = NULL;
+		}
+		state_ = statequeued_;
+		statequeued_ = NULL;
+
+		if(state_ != NULL)
+			state_->DoInitialized();
+	}*/
+}
+
+void Engine::Draw()
+{
+	if(lastBuffer && !(state_->Position.X == 0 && state_->Position.Y == 0 && state_->Size.X == width_ && state_->Size.Y == height_))
+	{
+		g->Acquire();
+		g->Clear();
+#ifndef OGLI
+		memcpy(g->vid, lastBuffer, (width_ * height_) * PIXELSIZE);
+#endif
+	}
+	else
+	{
+		g->Clear();
+	}
+	if(state_)
+		state_->DoDraw();
+
+#ifdef DEBUG
+	char fpsText[512];
+	sprintf(fpsText, "FPS: %.2f, Delta: %.3f", fps, dt);
+	ui::Engine::Ref().g->drawtext(10, 10, fpsText, 255, 255, 255, 255);
+#endif
+	g->Finalise();
+	g->Release();
+	FrameIndex++;
+	FrameIndex %= 7200;
+}
+
+void Engine::SetFps(float fps)
+{
+	this->fps = fps;
+	if(FpsLimit > 2.0f)
+		this->dt = FpsLimit/fps;
+	else
+		this->dt = 1.0f;
+}
+
+void Engine::onKeyPress(int key, Uint16 character, bool shift, bool ctrl, bool alt)
+{
+	if(state_)
+		state_->DoKeyPress(key, character, shift, ctrl, alt);
+}
+
+void Engine::onKeyRelease(int key, Uint16 character, bool shift, bool ctrl, bool alt)
+{
+	if(state_)
+		state_->DoKeyRelease(key, character, shift, ctrl, alt);
+}
+
+void Engine::onMouseClick(int x, int y, unsigned button)
+{
+	mouseb_ |= button;
+	if(state_)
+		state_->DoMouseDown(x, y, button);
+}
+
+void Engine::onMouseUnclick(int x, int y, unsigned button)
+{
+	mouseb_ &= ~button;
+	if(state_)
+		state_->DoMouseUp(x, y, button);
+}
+
+void Engine::onMouseMove(int x, int y)
+{
+	mousex_ = x;
+	mousey_ = y;
+	if(state_)
+	{
+		state_->DoMouseMove(x, y, mousex_ - mousexp_, mousey_ - mouseyp_);
+	}
+	mousexp_ = x;
+	mouseyp_ = y;
+}
+
+void Engine::onMouseWheel(int x, int y, int delta)
+{
+	if(state_)
+		state_->DoMouseWheel(x, y, delta);
+}
+
+void Engine::onResize(int newWidth, int newHeight)
+{
+	SetSize(newWidth, newHeight);
+}
+
+void Engine::onClose()
+{
+	if(state_)
+		state_->DoExit();
+}