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-rw-r--r--engines/m4/console.cpp5
-rw-r--r--engines/m4/scene.cpp80
-rw-r--r--engines/m4/scene.h9
3 files changed, 59 insertions, 35 deletions
diff --git a/engines/m4/console.cpp b/engines/m4/console.cpp
index e445b6e8d4..9683f4544e 100644
--- a/engines/m4/console.cpp
+++ b/engines/m4/console.cpp
@@ -137,10 +137,7 @@ bool Console::cmdShowResources(int argc, const char **argv) {
}
bool Console::cmdShowCodes(int argc, const char **argv) {
- if (_vm->getGameType() != GType_RexNebular)
- _vm->_scene->showCodes();
- else
- DebugPrintf("Pathfinding codes not done yet for Rex Nebular");
+ _vm->_scene->showCodes();
return false;
}
diff --git a/engines/m4/scene.cpp b/engines/m4/scene.cpp
index 3729d17437..ccdb60fc66 100644
--- a/engines/m4/scene.cpp
+++ b/engines/m4/scene.cpp
@@ -46,12 +46,12 @@ Scene::Scene(MadsM4Engine *vm): View(vm, Common::Rect(0, 0, vm->_screen->width()
_sceneResources.parallax = new HotSpotList();
_sceneResources.props = new HotSpotList();
_backgroundSurface = new M4Surface();
- _codeSurface = new M4Surface();
+ _walkSurface = new M4Surface();
_palData = NULL;
_interfacePal = NULL;
_interfaceSurface = NULL;
_inverseColorTable = NULL;
- _vm->_rails->setCodeSurface(_codeSurface);
+ _vm->_rails->setCodeSurface(_walkSurface);
}
Scene::~Scene() {
@@ -250,24 +250,28 @@ void Scene::showHotSpots() {
}
}
-// Test function, shows all scene codes
+/**
+ * Debug function that shows the walkable areas by copying them over the current background surface
+ */
void Scene::showCodes() {
- uint8 *pixelData = _codeSurface->getBasePtr(0, 0);
- for (int i = 0; i < _codeSurface->width() * _codeSurface->height(); i++)
- if (pixelData[i] & 0x10)
- pixelData[i] = 0xFF;
- else
- pixelData[i] = 0;
-
- byte colors[256 * 4];
- memset(colors, 0, sizeof(colors));
- colors[255 * 4 + 0] = 255;
- colors[255 * 4 + 1] = 255;
- colors[255 * 4 + 2] = 255;
- _vm->_palette->setPalette(colors, 0, 256);
-
- _backgroundSurface->copyFrom(_codeSurface, Common::Rect(0, 0, 640, 480), 0, 0);
- //_system->copyRectToScreen(codes->getBasePtr(0, 0), codes->w, 0, 0, codes->w, codes->h);
+ if (_vm->isM4()) {
+ // Show the walk areas for the M4 engine in black and white
+ const byte *srcP = (const byte *)_walkSurface->getBasePtr(0, 0);
+ byte *destP = _backgroundSurface->getBasePtr(0, 0);
+
+ for (int i = 0; i < _walkSurface->width() * _walkSurface->height(); i++)
+ destP[i] = (srcP[i] & 0x10) ? 0xFF : 0;
+
+ byte colors[256 * 4];
+ memset(colors, 0, sizeof(colors));
+ colors[255 * 4 + 0] = 255;
+ colors[255 * 4 + 1] = 255;
+ colors[255 * 4 + 2] = 255;
+ _vm->_palette->setPalette(colors, 0, 256);
+ } else {
+ // For MADS, simply copy the walk data to the background, in whatever current palette is active
+ _walkSurface->copyTo(_backgroundSurface);
+ }
}
void Scene::playIntro() {
@@ -472,7 +476,7 @@ void M4Scene::loadSceneCodes(int sceneNumber, int index) {
sprintf(filename, "%i.cod", sceneNumber);
sceneS = _vm->res()->openFile(filename);
- _codeSurface->loadCodesM4(sceneS);
+ _walkSurface->loadCodesM4(sceneS);
_vm->res()->toss(filename);
}
@@ -603,9 +607,12 @@ MadsScene::MadsScene(MadsEngine *vm): Scene(vm) {
/**
* Secondary scene loading code
*/
-void MadsScene::loadScene2(int sceneNumber, const char *aaName) {
+void MadsScene::loadScene2(const char *aaName) {
+ // Load up the properties for the scene
+ _sceneInfo.load(_currentScene);
- _sceneInfo.load(sceneNumber);
+ // Load scene walk paths
+ loadSceneCodes(_currentScene);
}
/**
@@ -645,9 +652,6 @@ void MadsScene::loadSceneTemporary() {
// TODO: set walker scaling
// TODO: destroy woodscript buffer
- // Load scene walk path file (*.COD/*.WW?)
- loadSceneCodes(_currentScene);
-
// Load inverse color table file (*.IPL)
loadSceneInverseColorTable(_currentScene);
}
@@ -670,7 +674,7 @@ void MadsScene::loadScene(int sceneNumber) {
_vm->globals()->addVisitedScene(sceneNumber);
// Secondary scene load routine
- loadScene2(sceneNumber, "*I0.AA");
+ loadScene2("*I0.AA");
// Do any scene specific setup
_sceneLogic.enterScene();
@@ -696,7 +700,7 @@ void MadsScene::leaveScene() {
_sceneSprites.clear();
delete _backgroundSurface;
- delete _codeSurface;
+ delete _walkSurface;
Scene::leaveScene();
}
@@ -714,10 +718,17 @@ void MadsScene::loadSceneCodes(int sceneNumber, int index) {
sprintf(filename, "rm%i.ww%i", sceneNumber, index);
MadsPack walkData(filename, _vm);
sceneS = walkData.getItemStream(0);
- _codeSurface->loadCodesMads(sceneS);
+ _walkSurface->loadCodesMads(sceneS);
_vm->res()->toss(filename);
} else if (_vm->getGameType() == GType_RexNebular) {
- // TODO
+ // For Rex Nebular, the walk areas are part of the scene info
+ byte *destP = _walkSurface->getBasePtr(0, 0);
+ const byte *srcP = _sceneInfo.walkData;
+ byte runLength;
+ while ((runLength = *srcP++) != 0) {
+ Common::set_to(destP, destP + runLength, *srcP++);
+ destP += runLength;
+ }
}
}
@@ -919,6 +930,8 @@ void MadsSceneInfo::load(int sceneId) {
const char *sceneInfoStr = MADSResourceManager::getResourceName(RESPREFIX_RM, sceneId, ".DAT");
Common::SeekableReadStream *rawStream = _vm->_resourceManager->get(sceneInfoStr);
MadsPack sceneInfo(rawStream);
+
+ // Basic scene info
Common::SeekableReadStream *stream = sceneInfo.getItemStream(0);
int resSceneId = stream->readUint16LE();
@@ -940,6 +953,15 @@ void MadsSceneInfo::load(int sceneId) {
objects[i].load(stream);
}
+ // For Rex Nebular, read in the scene's compressed walk surface information
+ if (_vm->getGameType() == GType_RexNebular) {
+ delete walkData;
+
+ stream = sceneInfo.getItemStream(1);
+ walkData = (byte *)malloc(stream->size());
+ stream->read(walkData, stream->size());
+ }
+
_vm->_resourceManager->toss(sceneInfoStr);
}
diff --git a/engines/m4/scene.h b/engines/m4/scene.h
index f94ecc0574..78e179b4ac 100644
--- a/engines/m4/scene.h
+++ b/engines/m4/scene.h
@@ -94,7 +94,7 @@ protected:
int _previousScene;
GameInterfaceView *_interfaceSurface;
M4Surface *_backgroundSurface;
- M4Surface *_codeSurface;
+ M4Surface *_walkSurface;
RGBList *_palData;
RGBList *_interfacePal;
SceneResources _sceneResources;
@@ -195,7 +195,12 @@ public:
int objectCount;
MadsObject objects[32];
+
+ int walkSize;
+ byte *walkData;
+ MadsSceneInfo() { walkSize = 0; walkData = NULL; }
+ ~MadsSceneInfo() { delete walkData; }
void load(int sceneId);
};
@@ -221,7 +226,7 @@ private:
int _spriteSlotsStart;
void drawElements();
- void loadScene2(int sceneNumber, const char *aaName);
+ void loadScene2(const char *aaName);
void loadSceneTemporary();
public:
char _aaName[100];
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 18:10:58 +0000