Added game files
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DavidSM64
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204
source/Entity.c
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204
source/Entity.c
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#include "Entity.h"
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#define PI 3.141592654
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double gaussrand()
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{
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static double U, V;
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static int phase = 0;
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double Z;
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if(phase == 0) {
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U = (rand() + 1.) / (RAND_MAX + 2.);
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V = rand() / (RAND_MAX + 1.);
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Z = sqrt(-2 * log(U)) * sin(2 * PI * V);
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} else
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Z = sqrt(-2 * log(U)) * cos(2 * PI * V);
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phase = 1 - phase;
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return Z;
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}
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Entity newItemEntity(Item item, int x, int y, int level){
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Entity e;
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e.type = ENTITY_ITEM;
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e.level = level;
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e.entityItem.age = 0;
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e.entityItem.item = item;
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e.x = x;
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e.y = y;
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e.xr = 3;
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e.yr = 3;
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e.canPass = false;
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e.entityItem.xx = x;
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e.entityItem.yy = y;
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e.entityItem.zz = 2;
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e.entityItem.xa = gaussrand() * 0.1;
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e.entityItem.ya = gaussrand() * 0.1;
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e.entityItem.za = ((float)rand() / RAND_MAX) * 0.45 + 1;
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return e;
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}
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void assignInventory(Entity* e){
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if(eManager.nextInv > 300) return;
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e->entityFurniture.inv = &eManager.invs[eManager.nextInv];
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eManager.nextInv++;
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}
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Entity newFurnitureEntity(int itemID,Inventory * invPtr, int x, int y, int level){
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Entity e;
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e.type = ENTITY_FURNITURE;
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e.level = level;
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e.x = x;
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e.y = y;
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e.xr = 3;
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e.yr = 3;
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e.entityFurniture.itemID = itemID;
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e.canPass = false;
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if(itemID == ITEM_LANTERN) e.entityFurniture.r = 8;
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else if(itemID == ITEM_CHEST){
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if(invPtr == NULL)assignInventory(&e);
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else e.entityFurniture.inv = invPtr;
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}
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return e;
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}
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Entity newZombieEntity(int lvl, int x, int y, int level){
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Entity e;
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e.type = ENTITY_ZOMBIE;
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e.level = level;
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e.x = x;
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e.y = y;
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e.hurtTime = 0;
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e.xKnockback = 0;
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e.yKnockback = 0;
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e.zombie.lvl = lvl;
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e.zombie.health = lvl * lvl * 10;
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e.zombie.dir = 0;
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e.xr = 4;
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e.yr = 3;
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e.canPass = false;
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switch(lvl){
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case 2: e.zombie.color = 0xCC8282FF; break;
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case 3: e.zombie.color = 0xEFEFEFFF; break;
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case 4: e.zombie.color = 0x6262AAFF; break;
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default: e.zombie.color = 0x95DB95FF; break;
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}
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return e;
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}
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Entity newSlimeEntity(int lvl, int x, int y, int level){
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Entity e;
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e.type = ENTITY_SLIME;
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e.level = level;
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e.x = x;
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e.y = y;
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e.hurtTime = 0;
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e.xKnockback = 0;
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e.yKnockback = 0;
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e.slime.lvl = lvl;
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e.slime.xa = 0;
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e.slime.ya = 0;
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e.slime.dir = 0;
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e.slime.health = lvl * lvl * 5;
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e.xr = 4;
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e.yr = 3;
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e.canPass = false;
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switch(lvl){
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case 2: e.slime.color = 0xCC8282FF; break;
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case 3: e.slime.color = 0xEFEFEFFF; break;
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case 4: e.slime.color = 0x6262AAFF; break;
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default: e.slime.color = 0x95DB95FF; break;
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}
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return e;
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}
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Entity newAirWizardEntity(int x, int y, int level){
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Entity e;
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e.type = ENTITY_AIRWIZARD;
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e.level = level;
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e.x = x;
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e.y = y;
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e.hurtTime = 0;
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e.xKnockback = 0;
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e.yKnockback = 0;
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e.wizard.dir = 0;
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e.wizard.health = 2000;
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e.wizard.attackDelay = 0;
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e.wizard.attackTime = 0;
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e.wizard.attackType = 0;
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e.wizard.xa = 0;
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e.wizard.ya = 0;
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e.xr = 4;
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e.yr = 3;
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e.canPass = true;
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return e;
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}
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Entity newSparkEntity(Entity* parent, float xa, float ya){
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Entity e;
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e.type = ENTITY_SPARK;
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e.spark.age = 0;
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e.spark.parent = parent;
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e.spark.xa = xa;
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e.spark.ya = ya;
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e.spark.xx = parent->x;
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e.spark.yy = parent->y;
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e.xr = 3;
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e.yr = 3;
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e.canPass = true;
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return e;
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}
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Entity newTextParticleEntity(char * str, u32 color, int x, int y, int level){
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Entity e;
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e.type = ENTITY_TEXTPARTICLE;
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e.level = level;
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e.textParticle.color = color;
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e.textParticle.age = 0;
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e.textParticle.text = (char*)calloc(strlen(str),sizeof(char));
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strncpy(e.textParticle.text,str,strlen(str));
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e.x = x;
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e.y = y;
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e.canPass = true;
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e.textParticle.xx = x;
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e.textParticle.yy = y;
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e.textParticle.zz = 2;
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e.textParticle.xa = gaussrand() * 0.3;
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e.textParticle.ya = gaussrand() * 0.2;
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e.textParticle.za = ((float)rand() / RAND_MAX) * 0.7 + 2;
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return e;
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}
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Entity newSmashParticleEntity(int x, int y, int level){
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Entity e;
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e.type = ENTITY_SMASHPARTICLE;
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e.level = level;
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e.smashParticle.age = 0;
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e.x = x;
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e.y = y;
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e.canPass = true;
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playSound(snd_monsterHurt);
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return e;
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}
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void addEntityToList(Entity e, EntityManager* em){
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e.slotNum = em->lastSlot[e.level];
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em->entities[e.level][em->lastSlot[e.level]] = e;
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++em->lastSlot[e.level];
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}
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Entity nullEntity;
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void removeEntityFromList(Entity * e,int level,EntityManager* em){
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int i;
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if(em->entities[level][e->slotNum].type == ENTITY_TEXTPARTICLE) free(em->entities[level][e->slotNum].textParticle.text);
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for(i = e->slotNum; i < em->lastSlot[level];++i){
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em->entities[level][i] = em->entities[level][i + 1]; // Move the items down.
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em->entities[level][i].slotNum = i;
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}
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em->lastSlot[level]--;
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em->entities[level][em->lastSlot[level]] = nullEntity; // Make the last slot null.
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}
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