NS/releases/3.02/source/mod/AvHFont.cpp

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#include "mod/AvHFont.h"
#include "mod/AvHSpriteAPI.h"
#include "mod/AvHConstants.h"
#include "cl_dll/cl_util.h"
// Number of characters per row in the font sprite.
const int kNumCharsPerRow = 16;
AvHFont::AvHFont()
{
mSprite = 0;
mSpriteWidth = 0;
mSpriteHeight = 0;
}
bool AvHFont::Load(const char* inFileName)
{
std::string theSpriteFileName;
theSpriteFileName = inFileName;
theSpriteFileName += ".spr";
std::string theWidthFileName;
theWidthFileName = getModDirectory();
theWidthFileName += "/";
theWidthFileName += inFileName;
theWidthFileName += ".dat";
FILE* file = fopen(theWidthFileName.c_str(), "rb");
if (file != NULL)
{
struct LABC
{
long a;
long b;
long c;
};
LABC labc[256];
fread(labc, sizeof(LABC), 256, file);
for (int i = 0; i < 256; ++i)
{
mCharWidth[i].a = labc[i].a;
mCharWidth[i].b = labc[i].b;
mCharWidth[i].c = labc[i].c;
}
fclose(file);
}
else
{
return false;
}
mSprite = Safe_SPR_Load(theSpriteFileName.c_str());
if (mSprite != 0)
{
mSpriteWidth = SPR_Width(mSprite, 0);
mSpriteHeight = SPR_Height(mSprite, 0);
}
return mSprite != 0;
}
int AvHFont::GetStringWidth(const char* inString) const
{
int theWidth = 0;
for (int i = 0; inString[i] != 0 && inString[i] != '\n'; ++i)
{
char c = inString[i];
if (c < 32)
{
// Unprintable.
continue;
}
theWidth += mCharWidth[c].a + mCharWidth[c].b + mCharWidth[c].c;
}
return theWidth;
}
int AvHFont::GetCharacterWidth(char c) const
{
return mCharWidth[c].a + mCharWidth[c].b + mCharWidth[c].c;
}
int AvHFont::GetStringHeight() const
{
return 16;
}
int AvHFont::DrawString(int inX, int inY, const char* inString, int r, int g, int b, int inRenderMode) const
{
int theX = inX;
int theY = inY;
int theCharHeight = GetStringHeight();
AvHSpriteBeginFrame();
AvHSpriteSetVGUIOffset(0,0);
AvHSpriteSetRenderMode(inRenderMode);
AvHSpriteSetColor(r / 256.0f, g / 256.0f, b / 256.0f);
int charWidth = mSpriteWidth / 16;
int charHeight = mSpriteHeight / 16;
for (int i = 0; inString[i] != 0 && inString[i] != '\n'; ++i)
{
unsigned char c = inString[i];
if (c < 32)
{
// Unprintable.
continue;
}
theX += mCharWidth[c].a;
float theU = ((c % kNumCharsPerRow) * charWidth) / float(mSpriteWidth);
float theV = ((c / kNumCharsPerRow) * charHeight) / float(mSpriteHeight);
AvHSpriteDraw(mSprite, 0, theX, theY, theX + mCharWidth[c].b, theY + theCharHeight,
theU, theV, theU + mCharWidth[c].b / 256.0f, theV + theCharHeight / 256.0f);
theX += mCharWidth[c].b + mCharWidth[c].c;
}
AvHSpriteEndFrame();
AvHSpriteSetColor(1, 1, 1);
return theX;
}
int AvHFont::DrawStringReverse(int inX, int inY, const char* inString, int r, int g, int b, int inRenderMode) const
{
int length = strlen(inString) - 1;
int theX = inX;
int theY = inY;
int theCharHeight = GetStringHeight();
AvHSpriteBeginFrame();
AvHSpriteSetRenderMode(inRenderMode);
AvHSpriteSetColor(r / 256.0f, g / 256.0f, b / 256.0f);
int charWidth = mSpriteWidth / 16;
int charHeight = mSpriteHeight / 16;
for (int i = length; i >= 0; --i)
{
char c = inString[i];
if (c < 32)
{
// Unprintable.
continue;
}
theX -= mCharWidth[c].c + mCharWidth[c].b;
float theU = ((c % kNumCharsPerRow) * charWidth) / float(mSpriteWidth);
float theV = ((c / kNumCharsPerRow) * charHeight) / float(mSpriteHeight);
AvHSpriteDraw(mSprite, 0, theX, theY, theX + mCharWidth[c].b, theY + theCharHeight,
theU, theV, theU + mCharWidth[c].b / 256.0f, theV + theCharHeight / 256.0f);
theX -= mCharWidth[c].a;
}
AvHSpriteEndFrame();
return theX;
}