start 380 project5

changes to 380 project 4
changes to 350 project 2

Signed-off-by: Amrit Panesar <apanesar@4195tech.com>

COM380/Project5/GambleKit/Engine/Game/Entities/GkGameText.cpp

@@ -0,0 +1,148 @@
+//--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+//	GambleKit Copyright (C) 2014 Ivan Donev
+//
+//	This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.
+//
+//	This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+//
+//	You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+//	contact: gamblekit@gmail.com
+//--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+
+#include "GkGameText.h"
+
+#include "..\GkGame.h"
+#include "..\..\Utils\GkStrings.h"
+
+GkGameText::GkGameText(GkAnimatedFont *animatedFont, int x, int y, int characterSpacing, int textAlignment, int maxWidth, float framesPerSecond)
+	: GkGameEntity()
+{
+	this->animatedFont = animatedFont;
+
+	this->x = x;
+	this->y = y;
+	this->characterSpacing = characterSpacing;
+	this->maxWidth = maxWidth;
+	this->textAlignment = textAlignment;
+	this->visible = animatedFont != NULL;
+	this->active = animatedFont != NULL;
+	this->loop = animatedFont != NULL;
+
+	this->framesPerSecond = framesPerSecond != 0.0f ? framesPerSecond : animatedFont != 0 ? animatedFont->framesPerSecond : 0.0f;
+	this->currentFrame = 0.0f;
+
+	this->text = 0;
+	this->textTextureIndices = 0;
+	this->textLength = 0;
+}
+
+
+GkGameText::~GkGameText(void)
+{
+	if (this->text != 0)
+		delete[] this->text;
+
+	if (this->textTextureIndices != 0)
+		delete[] this->textTextureIndices;
+}
+
+bool GkGameText::SetText(const wchar_t *text)
+{
+	if ((this->text != 0) && (GkStrings::Compare(this->text, text) == 0))
+		return false;
+
+	if (this->text != 0)
+		delete[] this->text;
+
+	if (this->textTextureIndices != 0)
+		delete[] this->textTextureIndices;
+
+	this->text = GkStrings::Copy(text);
+	this->textLength = GkStrings::GetLength(this->text);
+	this->textTextureIndices = new int[this->textLength];
+
+	this->textWidth = 0;
+	for (int i = 0; i < this->textLength; i++)
+	{
+		this->textTextureIndices[i] = GkStrings::SubChar(this->animatedFont->charMap, this->text[i]);
+
+		if (this->textTextureIndices[i] != -1)
+		{
+			this->textWidth += this->animatedFont->letterTextures[this->textTextureIndices[i]]->frames[0]->width + this->characterSpacing;
+		}
+	}
+
+	this->textWidth -= this->characterSpacing;
+
+	return true;
+}
+
+void GkGameText::Process(GkGame *game)
+{
+	if (!(this->active && this->visible))
+		return;
+
+	this->currentFrame += this->framesPerSecond * game->timer->tickTime;
+	if (this->currentFrame > this->animatedFont->letterTextures[0]->numFrames)
+	{
+		if (this->loop)
+		{
+			int intFrame = (int)this->currentFrame;
+			float fracFrame = this->currentFrame - intFrame;
+			this->currentFrame = intFrame % this->animatedFont->letterTextures[0]->numFrames + fracFrame;
+		}
+		else
+		{
+			this->currentFrame = (float)(this->animatedFont->letterTextures[0]->numFrames - 1);
+			this->active = false;
+		}
+	}
+}
+
+void GkGameText::Draw(GkGame *game)
+{
+	if (!this->visible)
+		return;
+
+	if ((this->maxWidth == 0) || (this->textWidth <= this->maxWidth))
+	{
+		int x = this->textAlignment == GkGameText::GameTextAlignment_Right ? this->x : this->textAlignment == GkGameText::GameTextAlignment_Center ? this->x - this->textWidth / 2 : this->x - this->textWidth;
+
+		for (int i = 0; i < this->textLength; i++)
+		{
+			int letterTextureIndex = this->textTextureIndices[i];
+
+			if (letterTextureIndex != -1)
+			{
+				GkTexture *letterTexture = this->animatedFont->letterTextures[letterTextureIndex]->frames[(int)this->currentFrame];
+			
+				game->graphicsDevice->Draw(x, this->y, letterTexture);
+
+				x += letterTexture->width + this->characterSpacing;
+			}
+		}
+	}
+	else
+	{
+		float scalingFactor = (float)this->maxWidth / (float)this->textWidth;
+
+		float x = this->textAlignment == GkGameText::GameTextAlignment_Right ? this->x : this->textAlignment == GkGameText::GameTextAlignment_Center ? this->x - (float)(scalingFactor * (float)this->textWidth / 2.0f) : this->x - (float)(scalingFactor * (float)this->textWidth);
+		int y = this->y + (int)(((1.0f - scalingFactor) * (float)this->animatedFont->letterTextures[0]->frames[0]->height) / 2.0f);
+
+		for (int i = 0; i < this->textLength; i++)
+		{
+			int letterTextureIndex = this->textTextureIndices[i];
+
+			if (letterTextureIndex != -1)
+			{
+				GkTexture *letterTexture = this->animatedFont->letterTextures[letterTextureIndex]->frames[(int)this->currentFrame];
+			
+				game->graphicsDevice->Draw((int)x, y, (int)(letterTexture->width * scalingFactor), (int)(letterTexture->height * scalingFactor), 0, 0, letterTexture->width, letterTexture->height, letterTexture);
+
+				x += scalingFactor * (letterTexture->width + this->characterSpacing);
+			}
+		}
+	}
+}
+