all repos — hyperkaos @ ed6e55207cbb590f8e3cb231699f09089951fe17

lightweight modular puzzle/adventure game engine in C with SDL 1.2 

remove unnecessary casts from void, fix removePlayer() in Room.c, add alpha setting for FgObjects
Iris Lightshard nilix@nilfm.cc
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commit

ed6e55207cbb590f8e3cb231699f09089951fe17

parent

21865a49b14bbaffaebdbc9fc43b6011ad9527e2

7 files changed, 51 insertions(+), 53 deletions(-)

jump to
M HyperKaos.c → HyperKaos.c 
@@ -16,7 +16,7 @@ #include "extern.h"
 
 HyperKaos* newHyperKaos(int id, int type, int x, int y, int w, int h)
 {
-  HyperKaos* self = (HyperKaos*)malloc(sizeof(HyperKaos));
+  HyperKaos* self = malloc(sizeof(HyperKaos));
 
   self->domain.x = x;
   self->domain.y = y;
M Kaos.c → Kaos.c 
@@ -16,7 +16,7 @@ #include "extern.h"
 
 Kaos* rawKaos()
 {
-  Kaos* self = (Kaos*)malloc(sizeof(Kaos));
+  Kaos* self = malloc(sizeof(Kaos));
   self->next = NULL;
   return self;
 }

@@ -24,7 +24,7 @@ 
 Kaos* newConversation(int i)
 {
   Kaos* core = rawKaos();
-  Conversation* self = (Conversation*)malloc(sizeof(Conversation));
+  Conversation* self = malloc(sizeof(Conversation));
 
   self->index = i;
 

@@ -37,7 +37,7 @@ }
 
 void runConversation(Kaos* self)
 {
-  Conversation* kSelf = (Conversation*)self->kType;
+  Conversation* kSelf = self->kType;
   displayTextBox(dialogueData[kSelf->index]);
 }
 

@@ -50,7 +50,7 @@ 
 Kaos* newChoice(char* q, char* a1, char* a2, HyperKaos* p1, HyperKaos* p2)
 {
   Kaos* core = rawKaos();
-  Choice* self = (Choice*)malloc(sizeof(Choice));
+  Choice* self = malloc(sizeof(Choice));
 
   self->question = TTF_RenderText_Solid(font, q, textColor);
   self->answ1 = TTF_RenderText_Solid(font, a1, textColor);

@@ -67,7 +67,7 @@ }
 
 void runChoice(Kaos* self)
 {
-  Choice* kSelf = (Choice*)self->kType;
+  Choice* kSelf = self->kType;
   int choice = 0;
   int textIsRelevent = 1;
   actionbutton = 0;

@@ -122,9 +122,10 @@ }
 
 void deleteChoice(Kaos* self)
 {
-  SDL_FreeSurface(((Choice*)(self->kType))->question);
-  SDL_FreeSurface(((Choice*)(self->kType))->answ1);
-  SDL_FreeSurface(((Choice*)(self->kType))->answ2);
+  Choice* kSelf = self->kType;
+  SDL_FreeSurface(kSelf->question);
+  SDL_FreeSurface(kSelf->answ1);
+  SDL_FreeSurface(kSelf->answ2);
   free(self->kType);
   free(self);
 }

@@ -132,7 +133,7 @@ 
 Kaos* newManip(Player* t, int x, int y)
 {
   Kaos* core = rawKaos();
-  Manip* self = (Manip*)malloc(sizeof(Manip));
+  Manip* self = malloc(sizeof(Manip));
 
   self->target= t;
   self->xSpd = x;

@@ -147,7 +148,7 @@ }
 
 void runManip(Kaos* self)
 {
-  Manip* kSelf = (Manip*)self->kType;
+  Manip* kSelf = self->kType;
   kSelf->target->bearing.x = kSelf->xSpd;
   kSelf->target->bearing.y = kSelf->ySpd;
 }

@@ -161,7 +162,7 @@ 
 Kaos* newLook(Player* t, char d)
 {
   Kaos* core = rawKaos();
-  Look* self = (Look*)malloc(sizeof(Look));
+  Look* self = malloc(sizeof(Look));
 
   self->target = t;
   self->dir = d;

@@ -175,7 +176,7 @@ }
 
 void runLook(Kaos* self)
 {
-  Look* kSelf = (Look*)self->kType;
+  Look* kSelf = self->kType;
   SDL_Rect playerClip = { 0,0,16,16};
   switch(kSelf->dir)
   {

@@ -204,7 +205,7 @@ 
 Kaos* newTeleport(Player* p, int x, int y, int o)
 {
   Kaos* core = rawKaos();
-  Teleport* self = (Teleport*)malloc(sizeof(Teleport));
+  Teleport* self = malloc(sizeof(Teleport));
 
   self->target = p;
   self->x = x;

@@ -251,7 +252,7 @@ }
 
 void deleteTeleport(Kaos* target)
 {
-  Teleport* kSelf = (Teleport*)target->kType;
+  Teleport* kSelf = target->kType;
   SDL_FreeSurface(kSelf->aura);
   free(target->kType);
   free(target);

@@ -260,7 +261,7 @@ 
 Kaos* newFaceEachother(Player* p1, Player* p2)
 {
   Kaos* core = rawKaos();
-  FaceEachother* self = (FaceEachother*)malloc(sizeof(FaceEachother));
+  FaceEachother* self = malloc(sizeof(FaceEachother));
 
   self->p1 = p1;
   self->p2 = p2;

@@ -274,7 +275,7 @@ }
 
 void runFaceEachother(Kaos* self)
 {
-  FaceEachother* kSelf = (FaceEachother*)self->kType;
+  FaceEachother* kSelf = self->kType;
   SDL_Rect p1Clip = {0,0,16,16};
   SDL_Rect p2Clip = {0,0,16,16};
   if (kSelf->p1->point.x > kSelf->p2->point.x)

@@ -304,7 +305,7 @@ 
 Kaos* newPlaySound(int i)
 {
   Kaos* core = rawKaos();
-  PlaySound* self = (PlaySound*)malloc(sizeof(PlaySound));
+  PlaySound* self = malloc(sizeof(PlaySound));
 
   self->i = i;
 

@@ -317,7 +318,7 @@ }
 
 void runPlaySound(Kaos* self)
 {
-  PlaySound* kSelf = (PlaySound*)self->kType;
+  PlaySound* kSelf = self->kType;
   Mix_PlayChannel(-1, sfxData[kSelf->i], 0);
 }
 

@@ -330,7 +331,7 @@ 
 Kaos* newErase(char t, int i)
 {
   Kaos* core = rawKaos();
-  Erase* self = (Erase*)malloc(sizeof(Erase));
+  Erase* self = malloc(sizeof(Erase));
 
   self->type = t;
   self->index = i;

@@ -344,7 +345,7 @@ }
 
 void runErase(Kaos* self)
 {
-  Erase* kSelf = (Erase*)self->kType;
+  Erase* kSelf = self->kType;
   switch (kSelf->type)
   {
     case 'w':

@@ -372,7 +373,7 @@ 
 Kaos* newWait(char t, int i)
 {
   Kaos* core = rawKaos();
-  Wait* self = (Wait*)malloc(sizeof(Wait));
+  Wait* self = malloc(sizeof(Wait));
 
   self->type = t;
   self->frames = i;

@@ -386,7 +387,7 @@ }
 
 void runWait(Kaos* self)
 {
-  Wait* kSelf = (Wait*)self->kType;
+  Wait* kSelf = self->kType;
   int i;
   if (kSelf->type == 'f')
     captive = 1;
M Player.c → Player.c 
@@ -37,7 +37,7 @@ bmask = 0x00ff0000;
     amask = 0xff000000;
   #endif
 
-  Player* self = (Player*)malloc(sizeof(Player));
+  Player* self = malloc(sizeof(Player));
 
   self->counter = 0;
   self->spriteSheet = NULL;
M Room.c → Room.c 
@@ -19,30 +19,25 @@ Room* newRoom(char* filename, int a)
 {
   Room* self = (Room*)malloc(sizeof(Room));
 
-  self->obstacle = NULL;
-  self->obstacle = (SDL_Rect*)malloc(4*sizeof(SDL_Rect));
+  self->obstacle = malloc(4*sizeof(SDL_Rect));
   self->numberOfObstacles = 0;
   self->maxNumberOfObstacles = 4;
 
-  self->fgObject = NULL;
-  self->fgObject = (FGImage*)malloc(4*sizeof(FGImage));
+  self->fgObject = malloc(4*sizeof(FGImage));
   self->numberOfObj = 0;
   self->maxNumberOfObj = 4;
   self->objSpeed = a;
   self->objIterator = 0;
 
-  self->warps = NULL;
-  self->warps = (WarpZone*)malloc(4*sizeof(WarpZone));
+  self->warps = malloc(4*sizeof(WarpZone));
   self->numberOfWarps = 0;
   self->maxNumberOfWarps = 4;
 
-  self->eventTriggers = NULL;
-  self->eventTriggers = (HyperKaos**)malloc(4*sizeof(HyperKaos*));
+  self->eventTriggers = malloc(4*sizeof(HyperKaos*));
   self->numberOfTriggers = 0;
   self->maxNumberOfTriggers =4;
 
-  self->people = NULL;
-  self->people = (Player**)malloc(4*sizeof(Player*));
+  self->people = malloc(4*sizeof(Player*));
   self->numberOfPeople = 0;
   self->maxNumberOfPeople = 4;
 

@@ -232,7 +227,7 @@ int i;
   if (self->numberOfObstacles+1 > self->maxNumberOfObstacles)
   {
     self->maxNumberOfObstacles *= 2;
-    SDL_Rect* temp = (SDL_Rect*)malloc(self->maxNumberOfObstacles*sizeof(SDL_Rect));
+    SDL_Rect* temp = malloc(self->maxNumberOfObstacles*sizeof(SDL_Rect));
     for (i = 0; i < self->numberOfObstacles; i++)
       temp[i] = self->obstacle[i];
     free(self->obstacle);

@@ -251,7 +246,7 @@ 
 void deleteObstacle(Room* self, int i)
 {
   int j;
-  SDL_Rect* temp = (SDL_Rect*)malloc(self->maxNumberOfObstacles*sizeof(SDL_Rect));
+  SDL_Rect* temp = malloc(self->maxNumberOfObstacles*sizeof(SDL_Rect));
   for (j = 0; j < i; j++)
     temp[j] = self->obstacle[j];
   for (j = i + 1; j < self->numberOfObstacles; j++)

@@ -266,13 +261,13 @@ //
 // fg objects
 //
 
-void addFgObj(Room* self, int x, int y, int w, int h, char* filename, int f, int dual)
+void addFgObj(Room* self, int x, int y, int w, int h, char* filename, int f, int dual, int alpha)
 {
   int i;
   if (self->numberOfObj+1 > self->maxNumberOfObj)
   {
     self->maxNumberOfObj *= 2;
-    FGImage* temp = (FGImage*)malloc(self->maxNumberOfObj*sizeof(FGImage));;
+    FGImage* temp = malloc(self->maxNumberOfObj*sizeof(FGImage));;
     for (i = 0; i < self->numberOfObj; i++)
       temp[i] = self->fgObject[i];
     free(self->fgObject);

@@ -290,6 +285,8 @@ self->fgObject[self->numberOfObj].frameNow = 0;
   self->fgObject[self->numberOfObj].dualLayer = dual;
 
   self->fgObject[self->numberOfObj].spriteSheet = loadImage(filename);
+  if (alpha != 255)
+    SDL_SetAlpha(self->fgObject[self->numberOfObj].spriteSheet, SDL_SRCALPHA|SDL_RLEACCEL, alpha);
   self->numberOfObj++;
 
 }

@@ -297,7 +294,7 @@ 
 void deleteFgObj(Room* self, int i)
 {
   int j;
-  FGImage* temp = (FGImage*)malloc(self->maxNumberOfObj*sizeof(FGImage));
+  FGImage* temp = malloc(self->maxNumberOfObj*sizeof(FGImage));
   for (j = 0; j < i; j++)
     temp[j] = self->fgObject[j];
   for (j = i + 1; j < self->numberOfObj; j++)

@@ -375,7 +372,7 @@ int i;
   if (self->numberOfWarps+1 > self->maxNumberOfWarps)
   {
     self->maxNumberOfWarps *= 2;
-    WarpZone* temp = (WarpZone*)malloc(self->maxNumberOfWarps*sizeof(WarpZone));
+    WarpZone* temp = malloc(self->maxNumberOfWarps*sizeof(WarpZone));
     for (i = 0; i < self->numberOfWarps; i++)
       temp[i] = self->warps[i];
     free(self->warps);

@@ -399,7 +396,7 @@ 
 void deleteWarp(Room* self, int i)
 {
   int j;
-  WarpZone* temp = (WarpZone*)malloc(self->maxNumberOfWarps*sizeof(WarpZone));
+  WarpZone* temp = malloc(self->maxNumberOfWarps*sizeof(WarpZone));
   for (j = 0; j < i; j++)
     temp[j] = self->warps[j];
   for (j = i + 1; j < self->numberOfWarps; j++)

@@ -420,7 +417,7 @@ int i;
   if (self->numberOfTriggers+1 > self->maxNumberOfTriggers)
   {
     self->maxNumberOfTriggers *= 2;
-    HyperKaos** temp = (HyperKaos**)malloc(self->maxNumberOfTriggers*sizeof(HyperKaos*));
+    HyperKaos** temp = malloc(self->maxNumberOfTriggers*sizeof(HyperKaos*));
     for (i = 0; i < self->numberOfTriggers; i++)
       temp[i] = self->eventTriggers[i];
     free(self->eventTriggers);

@@ -434,7 +431,7 @@ 
 void deleteTrigger(Room* self, int i)
 {
   int j;
-  HyperKaos** temp = (HyperKaos**)malloc(self->maxNumberOfTriggers*sizeof(HyperKaos*));
+  HyperKaos** temp = malloc(self->maxNumberOfTriggers*sizeof(HyperKaos*));
   for (j = 0; j < i; j++)
     temp[j] = self->eventTriggers[j];
   for (j = i + 1; j < self->numberOfTriggers; j++)

@@ -452,7 +449,7 @@ int i;
   if (self->numberOfPeople+1 > self->maxNumberOfPeople)
   {
     self->maxNumberOfPeople *= 2;
-    Player** temp = (Player**)malloc(self->maxNumberOfPeople*sizeof(Player*));
+    Player** temp = malloc(self->maxNumberOfPeople*sizeof(Player*));
     for (i = 0; i < self->numberOfPeople; i++)
       temp[i] = self->people[i];
     free(self->people);

@@ -466,11 +463,11 @@ 
 void deletePerson(Room* self, int i)
 {
   int j;
-  Player** temp = (Player**)malloc(self->maxNumberOfPeople*sizeof(Player*));
+  Player** temp = malloc(self->maxNumberOfPeople*sizeof(Player*));
   for (j = 0; j < i; j++)
     temp[j] = self->people[j];
   for (j = i + 1; j < self->numberOfPeople; j++)
-    temp[j] = self->people[j];
+    temp[j-1] = self->people[j];
   killPlayer(self->people[i]);
   free(self->people);
   self->people = temp;
M Room.h → Room.h 
@@ -64,7 +64,7 @@ 
 void addObstacle(Room* self, int x, int y, int w, int h);
 void deleteObstacle(Room* self, int i);
 
-void addFgObj(Room* self, int x, int y, int w, int h, char* filename, int f, int dual);
+void addFgObj(Room* self, int x, int y, int w, int h, char* filename, int f, int dual, int alpha);
 void deleteFgObj(Room* self, int i);
 void drawFgObjects1(Room* self);
 void drawFgObjects2(Room* self);
M TextBox.c → TextBox.c 
@@ -26,9 +26,9 @@ extern Player* hero;
 
 TextBox* newTextBox()
 {
-  TextBox* self = (TextBox*)malloc(sizeof(TextBox));
+  TextBox* self = malloc(sizeof(TextBox));
   self->portrait = NULL;
-  self->message = (SDL_Surface**)malloc(4*sizeof(SDL_Surface*));
+  self->message = malloc(4*sizeof(SDL_Surface*));
   self->lines = 0;
   self->cursor = 0;
   self->scroll = 0;

@@ -38,9 +38,9 @@ }
 
 TextBox* newGTextBox(SDL_Surface* image)
 {
-  TextBox* self = (TextBox*)malloc(sizeof(TextBox));
+  TextBox* self = malloc(sizeof(TextBox));
   self->portrait = image;
-  self->message = (SDL_Surface**)malloc(4*sizeof(SDL_Surface*));
+  self->message = malloc(4*sizeof(SDL_Surface*));
   self->lines = 0;
   self->cursor = 0;
   self->scroll = 0;
M WorldData.c → WorldData.c 
@@ -30,9 +30,9 @@ mapBuffer[2] = newRoom("assets/img/backgrounds/greenroom.gif", 4);
     mapBuffer[3] = newRoom("assets/img/backgrounds/darkroom.gif", 4);
 
     addObstacle(mapBuffer[0], 64,92,22,16);
-    addFgObj(mapBuffer[0], 64,64,22,55,"assets/img/objects/floatingChips.png", 4, 1);
+    addFgObj(mapBuffer[0], 64,64,22,55,"assets/img/objects/floatingChips.png", 4, 1, 255);
     addObstacle(mapBuffer[0], 320 - 64 - 22, 92,22,16);
-    addFgObj(mapBuffer[0], 320 - 64 - 22, 64, 22, 55, "assets/img/objects/floatingChips.png", 4, 1);
+    addFgObj(mapBuffer[0], 320 - 64 - 22, 64, 22, 55, "assets/img/objects/floatingChips.png", 4, 1, 255);
 
     addWarp(mapBuffer[0], 0,0,8,180, LEVEL1, 1, 304,90);
     addWarp(mapBuffer[0], 312,0,8,180,  LEVEL1, 2, 16,90);