scummvm/engines/saga2/mouseimg.cpp

419 lines
12 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* aint32 with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*
* Based on the original sources
* Faery Tale II -- The Halls of the Dead
* (c) 1993-1996 The Wyrmkeep Entertainment Co.
*/
#define FORBIDDEN_SYMBOL_ALLOW_ALL // FIXME: Remove
#include "saga2/std.h"
#include "saga2/rmemfta.h"
#include "saga2/fta.h"
#include "saga2/mouseimg.h"
#include "saga2/images.h"
#include "saga2/panel.h"
namespace Saga2 {
const int gaugeWidth = 46,
gaugeImageWidth = gaugeWidth + 2,
gaugeImageHeight = 5,
gaugeOneThird = gaugeWidth / 3,
gaugeTwoThirds = gaugeWidth * 2 / 3;
/* ===================================================================== *
Imports
* ===================================================================== */
extern gFont *mainFont;
/* ===================================================================== *
Globals
* ===================================================================== */
const int maxMouseTextLen = 80;
static char mouseText[ maxMouseTextLen ] = { "" }; // Current mouse text string
static Point16 mouseImageOffset; // Hotspot on mouse image
static gPixelMap *mouseImage = &ArrowImage; // Current mouse cursor image
static gStaticImage textImage(0, 0, NULL), // Current mouse text image
combinedImage(0, 0, NULL); // Combine mouse text
// and image
static int textImageCenteredCol; // The pixel column in the text
// image to be centered under
// the mouse pointer
static int gaugeNumerator, // Current mouse gauge values
gaugeDenominator;
static uint8 gaugeGrayMap[ 7 ] =
{ 0x00, 0x18, 0x14, 0x12, 0x16, 0x17, 0x0E }; // Gray
static uint8 gaugeColorMapArray[ 3 ][ 7 ] = {
{ 0x00, 0x18, 0xE2, 0xD1, 0xE5, 0xE7, 0xC9 }, // Green
{ 0x00, 0x18, 0x5C, 0x5A, 0x5E, 0x60, 0x49 }, // Yellow
{ 0x00, 0x18, 0x83, 0x81, 0x86, 0x72, 0x39 }, // Red
};
static uint8 gaugeImageData[ gaugeImageWidth * gaugeImageHeight ] = {
0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, // Row 0
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00,
0x01, 0x04, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, // Row 1
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x01,
0x01, 0x04, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, // Row 2
0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03,
0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03,
0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x06, 0x02, 0x01,
0x01, 0x05, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, // Row 3
0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04,
0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04,
0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x01,
0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, // Row 4
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00,
};
static uint8 gaugeImageBuffer[ gaugeImageWidth * gaugeImageHeight ];
static gStaticImage gaugeImage(
gaugeImageWidth,
gaugeImageHeight,
gaugeImageBuffer);
static bool showGauge = FALSE;
/* ===================================================================== *
Functions
* ===================================================================== */
//-----------------------------------------------------------------------
// Create a new bitmap of several images stacked on top of each other
void createStackedImage(
gPixelMap *newImage,
int *newImageCenter,
gPixelMap **imageArray,
int *imageCenterArray,
int images) {
ASSERT(images != 0);
ASSERT(newImage->data == NULL);
int i;
int newImageBytes,
newImageRow;
newImage->size.x = 0;
newImage->size.y = 0;
*newImageCenter = 0;
for (i = 0; i < images; i++) {
if (imageCenterArray[ i ] > *newImageCenter)
*newImageCenter = imageCenterArray[ i ];
}
for (i = 0; i < images; i++) {
int16 rightImageBoundary;
newImage->size.y += imageArray[ i ]->size.y;
rightImageBoundary = *newImageCenter
+ (imageArray[ i ]->size.x
- imageCenterArray[ i ]);
if (rightImageBoundary > newImage->size.x)
newImage->size.x = rightImageBoundary;
}
newImage->size.y += images - 1;
newImageBytes = newImage->bytes();
newImage->data = (uint8 *) TALLOC(newImageBytes, memPrgOutput) ;
memset(newImage->data, 0, newImageBytes);
newImageRow = 0;
for (i = 0; i < images; i++) {
gPixelMap *currentImage = imageArray[ i ];
TBlit(
newImage,
currentImage,
*newImageCenter - imageCenterArray[ i ],
newImageRow);
newImageRow += currentImage->size.y + 1;
}
}
//-----------------------------------------------------------------------
// Dispose of an image created with createStackedImage
inline void disposeStackedImage(gPixelMap *image) {
ASSERT(image->data != NULL);
delete [] image->data;
image->data = NULL;
}
//-----------------------------------------------------------------------
// Combine the mouse image and the mouse text image into a single
// pixel map and reset the global mouse cursor to use the new combined
// image.
void cleanupMousePointer(void) {
if (combinedImage.data != NULL) disposeStackedImage(&combinedImage);
}
void setupMousePointer(void) {
int imageIndex = 1;
gPixelMap *imageArray[ 3 ];
int imageCenterArray[ 3 ];
Point16 imageOffset; // mouse image offset
int combinedImageCenter;
imageArray[ 0 ] = mouseImage;
imageCenterArray[ 0 ] = mouseImage->size.x / 2;
if (mouseText[ 0 ] != '\0') {
imageArray[ imageIndex ] = &textImage;
imageCenterArray[ imageIndex ] = textImageCenteredCol;
imageIndex++;
}
if (showGauge) {
imageArray[ imageIndex ] = &gaugeImage;
imageCenterArray[ imageIndex ] = gaugeImage.size.x / 2;
imageIndex++;
}
if (combinedImage.data != NULL)
disposeStackedImage(&combinedImage);
createStackedImage(
&combinedImage,
&combinedImageCenter,
imageArray,
imageCenterArray,
imageIndex);
imageOffset.x = combinedImageCenter - mouseImage->size.x / 2;
imageOffset.y = 0;
// Set the combined image as the new mouse cursor
pointer.hide();
pointer.setImage(
combinedImage,
mouseImageOffset.x - imageOffset.x,
mouseImageOffset.y - imageOffset.y);
pointer.show();
}
//-----------------------------------------------------------------------
// Setup a new mouse cursor image
void setMouseImage(gPixelMap &img, int16 x, int16 y) {
if (mouseImage != &img
|| mouseImageOffset.x != x
|| mouseImageOffset.y != y) {
mouseImage = &img;
mouseImageOffset.x = x;
mouseImageOffset.y = y;
setupMousePointer();
}
}
//-----------------------------------------------------------------------
// Dispose of old text
inline void disposeText(void) {
mouseText[ 0 ] = '\0';
// Free the memory previously allocated to hold the text image
// bitmap
if (textImage.data != NULL) {
delete [] textImage.data;
textImage.data = NULL;
}
textImage.size.x = textImage.size.y = 0;
}
//-----------------------------------------------------------------------
// Build a new text image
void setNewText(char *text) {
Point16 mousePos;
int16 textImageBytes; // Bytes needed to hold the text image bitmap
int mouseImageCenter;
// Dispose of old text image
disposeText();
strncpy(mouseText, text, maxMouseTextLen - 1);
mouseText[ maxMouseTextLen - 1 ] = NULL;
// Compute the size of the text bitmap
textImage.size.y = mainFont->height + 2;
textImage.size.x = TextWidth(mainFont, text, -1, 0) + 2;
// Allocate a new buffer for the text image bitmap
textImageBytes = textImage.bytes();
textImage.data = (uint8 *) TALLOC(textImageBytes, memPrgOutput);
memset(textImage.data, 0, textImageBytes);
gPort textImagePort; // gPort used to draw text onto bitmap
// Intialize the text image port
textImagePort.setMap(&textImage);
textImagePort.setMode(drawModeReplace);
textImagePort.setColor(11);
textImagePort.setOutlineColor(24);
textImagePort.setFont(mainFont);
textImagePort.setStyle(textStyleOutline);
textImagePort.moveTo(1, 1);
// Draw the text
textImagePort.drawText(text, -1);
// Compute relative position of text
pointer.getImageCurPos(mousePos);
mouseImageCenter = mousePos.x + mouseImageOffset.x + mouseImage->size.x / 2;
textImageCenteredCol = textImage.size.x / 2;
if (mouseImageCenter - textImageCenteredCol < 5) {
textImageCenteredCol = mouseImageCenter - 5;
} else if (mouseImageCenter
+ (textImage.size.x - textImageCenteredCol)
>= screenWidth - 5) {
textImageCenteredCol = textImage.size.x
- ((screenWidth - 5) - mouseImageCenter);
}
}
//-----------------------------------------------------------------------
// Setup a new text string to display on the mouse cursor
void setMouseText(char *text) {
if (text != NULL) {
if (strcmp(text, mouseText) == 0) return;
setNewText(text);
setupMousePointer();
} else if (mouseText[ 0 ] != NULL) {
disposeText();
setupMousePointer();
}
}
// Formatted version of setMouseText, for gTools use...
void setMouseTextF(char *format, ...) {
extern gToolBase G_BASE;
if (format == NULL) {
setMouseText(NULL);
G_BASE.mouseHintSet = TRUE;
} else {
char lineBuf[ 128 ];
va_list argptr;
va_start(argptr, format);
vsprintf(lineBuf, format, argptr);
va_end(argptr);
setMouseText(lineBuf);
G_BASE.mouseHintSet = TRUE;
}
}
//-----------------------------------------------------------------------
// Set the gauge value for the mouse pointer (automatically turns
// gauge on if necessary ).
void setMouseGauge(int numerator, int denominator) {
ASSERT(denominator != 0);
ASSERT(numerator <= denominator);
if (showGauge
&& numerator == gaugeNumerator
&& denominator == gaugeDenominator)
return;
int gaugePos,
x, y,
gaugeImageIndex = 0;
uint8 *gaugeColorMap;
gaugeNumerator = numerator;
gaugeDenominator = denominator;
gaugePos = (numerator * gaugeWidth + denominator - 1) / denominator;
if (gaugePos <= gaugeOneThird)
gaugeColorMap = gaugeColorMapArray[ 2 ];
else if (gaugePos <= gaugeTwoThirds)
gaugeColorMap = gaugeColorMapArray[ 1 ];
else
gaugeColorMap = gaugeColorMapArray[ 0 ];
for (y = 0; y < gaugeImageHeight; y++) {
for (x = 0; x < gaugeImageWidth; x++) {
uint8 *gaugeMap;
gaugeMap = x < gaugePos + 1 ? gaugeColorMap : gaugeGrayMap;
gaugeImageBuffer[ gaugeImageIndex ] =
gaugeMap[ gaugeImageData[ gaugeImageIndex ] ];
gaugeImageIndex++;
}
}
showGauge = TRUE;
setupMousePointer();
}
//-----------------------------------------------------------------------
// Turn off the gauge on the mouse pointer
void clearMouseGauge(void) {
showGauge = FALSE;
setupMousePointer();
}
} // end of namespace Saga2