mirror of
https://gitlab.com/ryandwyer/perfect-dark
synced 2026-06-18 23:16:37 -04:00
Ryan Dwyer
135 lines
2.9 KiB
C
135 lines
2.9 KiB
C
#include <ultra64.h>
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#include "constants.h"
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#include "bss.h"
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#include "lib/memp.h"
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#include "data.h"
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#include "types.h"
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u16 *g_WallhitCountsPerRoom;
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s32 g_WallhitsMax;
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u32 var8009cc48;
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u32 g_WallhitsNumFree;
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u32 g_WallhitsNumUsed;
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u32 var8009cc54;
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u32 var8009cc58;
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s32 g_MinPropWallhits;
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u32 g_MaxPropWallhits;
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s32 g_MinBgWallhitsPerRoom;
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s32 g_MaxBgWallhitsPerRoom;
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s32 var8009cc70;
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s32 var8009cc74;
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f32 g_WallhitTargetBloodRatio;
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/**
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* Initialises an array of room numbers and a linked list of structs.
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*
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* Related to blood splats, bullet holes and scorch marks.
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* With this function nopped they do not appear.
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*/
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void wallhitReset(void)
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{
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s32 stack;
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s32 type = 2;
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s32 i;
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if ((g_Vars.coopplayernum >= 0 || g_Vars.antiplayernum >= 0) && PLAYERCOUNT() == 2) {
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type = 1;
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} else if (PLAYERCOUNT() >= 2) {
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type = 0;
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}
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switch (type) {
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case 0:
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// 4MB or MP with 2+ players
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g_WallhitsMax = 80;
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g_MinPropWallhits = 10;
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g_MaxPropWallhits = 40;
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g_MinBgWallhitsPerRoom = 1;
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g_MaxBgWallhitsPerRoom = 25;
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var8009cc70 = 5;
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var8009cc74 = 15;
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g_WallhitTargetBloodRatio = 0.3f;
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break;
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case 1:
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// 2 player coop/anti
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g_WallhitsMax = 200;
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g_MinPropWallhits = 25;
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g_MaxPropWallhits = 100;
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g_MinBgWallhitsPerRoom = 4;
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g_MaxBgWallhitsPerRoom = 40;
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var8009cc70 = 20;
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var8009cc74 = 30;
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g_WallhitTargetBloodRatio = 0.4f;
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break;
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case 2:
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default:
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// 1 player 8MB
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g_WallhitsMax = 360;
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g_MinPropWallhits = 50;
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g_MaxPropWallhits = 120;
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g_MinBgWallhitsPerRoom = 10;
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g_MaxBgWallhitsPerRoom = 60;
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var8009cc70 = 25;
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var8009cc74 = 40;
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g_WallhitTargetBloodRatio = 0.5f;
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break;
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}
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g_WallhitCountsPerRoom = NULL;
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var8009cc48 = 0;
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g_WallhitsNumFree = 0;
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g_WallhitsNumUsed = 0;
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var8009cc54 = 0;
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var8009cc58 = 0;
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if (g_Vars.stagenum >= STAGE_TITLE) {
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g_WallhitsMax = 0;
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}
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if (g_WallhitsMax == 0) {
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g_Wallhits = NULL;
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} else {
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// Allocate an array of s16 room numbers followed by a bunch of structs
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u32 numberssize;
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u32 structssize;
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void *ptr;
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structssize = g_WallhitsMax * sizeof(struct wallhit);
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structssize += 0xf;
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structssize &= ~0xf;
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numberssize = g_Vars.roomcount * 2;
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numberssize += 0xf;
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numberssize &= ~0xf;
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ptr = mempAlloc(structssize + numberssize, MEMPOOL_STAGE);
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g_WallhitCountsPerRoom = ptr;
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g_Wallhits = (struct wallhit *)((u32)ptr + numberssize);
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g_FreeWallhits = NULL;
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g_ActiveWallhits = 0;
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g_BusyWallhits = NULL;
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// Initialise structs
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for (i = 0; i < g_WallhitsMax; i++) {
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g_Wallhits[i].timermax = 0;
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g_Wallhits[i].timercur = 0;
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g_Wallhits[i].createdframe = 0;
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g_Wallhits[i].inuse = false;
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g_Wallhits[i].roomnum = -1;
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g_Wallhits[i].chrprop = NULL;
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g_Wallhits[i].objprop = NULL;
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g_WallhitsNumFree++;
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g_Wallhits[i].globalnext = g_FreeWallhits;
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g_FreeWallhits = &g_Wallhits[i];
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}
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// Initialise room numbers
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for (i = 0; i < g_Vars.roomcount; i++) {
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g_WallhitCountsPerRoom[i] = 0;
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}
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}
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}
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