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LegacyLuaAPI.cpp
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LegacyLuaAPI.cpp
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#ifdef LUACONSOLE
#include <string>
#include <iomanip>
#include <vector>
#include <algorithm>
#include <locale>
#include "client/HTTP.h"
#include "Format.h"
#include "LuaScriptInterface.h"
#include "LuaScriptHelper.h"
#include "Misc.h"
#include "PowderToy.h"
#include "gui/dialogues/ErrorMessage.h"
#include "gui/dialogues/InformationMessage.h"
#include "gui/dialogues/TextPrompt.h"
#include "gui/dialogues/ConfirmPrompt.h"
#include "gui/game/GameModel.h"
#include "simulation/Simulation.h"
#ifndef FFI
int luacon_partread(lua_State* l)
{
int tempinteger, i = cIndex;
float tempfloat;
std::string key = luaL_optstring(l, 2, "");
CommandInterface::FormatType format;
int offset = luacon_ci->GetPropertyOffset(key, format);
if (i < 0 || i >= NPART)
return luaL_error(l, "Out of range");
if (offset == -1)
{
if (!key.compare("id"))
{
lua_pushnumber(l, i);
return 1;
}
return luaL_error(l, "Invalid property");
}
switch(format)
{
case CommandInterface::FormatInt:
case CommandInterface::FormatElement:
tempinteger = *((int*)(((unsigned char*)&luacon_sim->parts[i])+offset));
lua_pushnumber(l, tempinteger);
break;
case CommandInterface::FormatFloat:
tempfloat = *((float*)(((unsigned char*)&luacon_sim->parts[i])+offset));
lua_pushnumber(l, tempfloat);
break;
default:
break;
}
return 1;
}
int luacon_partwrite(lua_State* l)
{
int i = cIndex;
std::string key = luaL_optstring(l, 2, "");
CommandInterface::FormatType format;
int offset = luacon_ci->GetPropertyOffset(key, format);
if (i < 0 || i >= NPART)
return luaL_error(l, "Out of range");
if (offset == -1)
return luaL_error(l, "Invalid property");
switch(format)
{
case CommandInterface::FormatInt:
*((int*)(((unsigned char*)&luacon_sim->parts[i])+offset)) = luaL_optinteger(l, 3, 0);
break;
case CommandInterface::FormatFloat:
*((float*)(((unsigned char*)&luacon_sim->parts[i])+offset)) = luaL_optnumber(l, 3, 0);
break;
case CommandInterface::FormatElement:
luacon_sim->part_change_type(i, luacon_sim->parts[i].x, luacon_sim->parts[i].y, luaL_optinteger(l, 3, 0));
default:
break;
}
return 0;
}
int luacon_partsread(lua_State* l)
{
int i = luaL_optinteger(l, 2, 0);
if (i<0 || i>=NPART)
{
return luaL_error(l, "array index out of bounds");
}
lua_rawgeti(l, LUA_REGISTRYINDEX, tptPart);
cIndex = i;
return 1;
}
int luacon_partswrite(lua_State* l)
{
return luaL_error(l, "table readonly");
}
#endif
int luacon_transition_getproperty(const char * key, int * format)
{
int offset;
if (!strcmp(key, "presHighValue")) {
offset = offsetof(Element, HighPressure);
*format = 1;
} else if (!strcmp(key, "presHighType")) {
offset = offsetof(Element, HighPressureTransition);
*format = 0;
} else if (!strcmp(key, "presLowValue")) {
offset = offsetof(Element, LowPressure);
*format = 1;
} else if (!strcmp(key, "presLowType")) {
offset = offsetof(Element, LowPressureTransition);
*format = 0;
} else if (!strcmp(key, "tempHighValue")) {
offset = offsetof(Element, HighTemperature);
*format = 1;
} else if (!strcmp(key, "tempHighType")) {
offset = offsetof(Element, HighTemperatureTransition);
*format = 0;
} else if (!strcmp(key, "tempLowValue")) {
offset = offsetof(Element, LowTemperature);
*format = 1;
} else if (!strcmp(key, "tempLowType")) {
offset = offsetof(Element, LowTemperatureTransition);
*format = 0;
} else {
offset = -1;
}
return offset;
}
int luacon_transitionread(lua_State* l)
{
int format, offset;
int tempinteger;
float tempfloat;
int i;
const char * key = luaL_optstring(l, 2, "");
offset = luacon_transition_getproperty(key, &format);
//Get Raw Index value for element
lua_pushstring(l, "value");
lua_rawget(l, 1);
i = lua_tointeger(l, lua_gettop(l));
lua_pop(l, 1);
if (i < 0 || i >= PT_NUM || offset==-1)
{
return luaL_error(l, "Invalid property");
}
switch(format)
{
case 0:
tempinteger = *((int*)(((unsigned char*)&luacon_sim->elements[i])+offset));
lua_pushnumber(l, tempinteger);
break;
case 1:
tempfloat = *((float*)(((unsigned char*)&luacon_sim->elements[i])+offset));
lua_pushnumber(l, tempfloat);
break;
}
return 1;
}
int luacon_transitionwrite(lua_State* l)
{
int format, offset;
int i;
const char * key = luaL_optstring(l, 2, "");
offset = luacon_transition_getproperty(key, &format);
//Get Raw Index value for element
lua_pushstring(l, "value");
lua_rawget(l, 1);
i = lua_tointeger(l, lua_gettop(l));
lua_pop(l, 1);
if (i < 0 || i >= PT_NUM || offset==-1)
{
return luaL_error(l, "Invalid property");
}
switch(format)
{
case 0:
*((int*)(((unsigned char*)&luacon_sim->elements[i])+offset)) = luaL_optinteger(l, 3, 0);
break;
case 1:
*((float*)(((unsigned char*)&luacon_sim->elements[i])+offset)) = luaL_optnumber(l, 3, 0);
break;
}
return 0;
}
int luacon_element_getproperty(const char * key, int * format, unsigned int * modified_stuff)
{
int offset;
if (!strcmp(key, "name")) {
offset = offsetof(Element, Name);
*format = 2;
if(modified_stuff)
*modified_stuff |= LUACON_EL_MODIFIED_MENUS;
}
else if (!strcmp(key, "color")) {
offset = offsetof(Element, Colour);
*format = 0;
if (modified_stuff)
*modified_stuff |= LUACON_EL_MODIFIED_GRAPHICS | LUACON_EL_MODIFIED_MENUS;
}
else if (!strcmp(key, "colour")) {
offset = offsetof(Element, Colour);
*format = 0;
if (modified_stuff)
*modified_stuff |= LUACON_EL_MODIFIED_GRAPHICS;
}
else if (!strcmp(key, "advection")) {
offset = offsetof(Element, Advection);
*format = 1;
}
else if (!strcmp(key, "airdrag")) {
offset = offsetof(Element, AirDrag);
*format = 1;
}
else if (!strcmp(key, "airloss")) {
offset = offsetof(Element, AirLoss);
*format = 1;
}
else if (!strcmp(key, "loss")) {
offset = offsetof(Element, Loss);
*format = 1;
}
else if (!strcmp(key, "collision")) {
offset = offsetof(Element, Collision);
*format = 1;
}
else if (!strcmp(key, "gravity")) {
offset = offsetof(Element, Gravity);
*format = 1;
}
else if (!strcmp(key, "diffusion")) {
offset = offsetof(Element, Diffusion);
*format = 1;
}
else if (!strcmp(key, "hotair")) {
offset = offsetof(Element, HotAir);
*format = 1;
}
else if (!strcmp(key, "falldown")) {
offset = offsetof(Element, Falldown);
*format = 0;
}
else if (!strcmp(key, "flammable")) {
offset = offsetof(Element, Flammable);
*format = 0;
}
else if (!strcmp(key, "explosive")) {
offset = offsetof(Element, Explosive);
*format = 0;
}
else if (!strcmp(key, "meltable")) {
offset = offsetof(Element, Meltable);
*format = 0;
}
else if (!strcmp(key, "hardness")) {
offset = offsetof(Element, Hardness);
*format = 0;
}
else if (!strcmp(key, "menu")) {
offset = offsetof(Element, MenuVisible);
*format = 0;
if (modified_stuff)
*modified_stuff |= LUACON_EL_MODIFIED_MENUS;
}
else if (!strcmp(key, "enabled")) {
offset = offsetof(Element, Enabled);
*format = 0;
}
else if (!strcmp(key, "weight")) {
offset = offsetof(Element, Weight);
*format = 0;
if (modified_stuff)
*modified_stuff |= LUACON_EL_MODIFIED_CANMOVE;
}
else if (!strcmp(key, "menusection")) {
offset = offsetof(Element, MenuSection);
*format = 0;
if (modified_stuff)
*modified_stuff |= LUACON_EL_MODIFIED_MENUS;
}
else if (!strcmp(key, "heat")) {
offset = offsetof(Element, Temperature);
*format = 1;
}
else if (!strcmp(key, "hconduct")) {
offset = offsetof(Element, HeatConduct);
*format = 3;
}
else if (!strcmp(key, "state")) {
offset = offsetof(Element, State);
*format = 3;
}
else if (!strcmp(key, "properties")) {
offset = offsetof(Element, Properties);
*format = 0;
if (modified_stuff)
*modified_stuff |= LUACON_EL_MODIFIED_GRAPHICS | LUACON_EL_MODIFIED_CANMOVE;
}
else if (!strcmp(key, "description")) {
offset = offsetof(Element, Description);
*format = 2;
if(modified_stuff)
*modified_stuff |= LUACON_EL_MODIFIED_MENUS;
}
else {
return -1;
}
return offset;
}
int luacon_elementread(lua_State* l)
{
int format, offset;
char * tempstring;
int tempinteger;
float tempfloat;
int i;
const char * key = luaL_optstring(l, 2, "");
offset = luacon_element_getproperty(key, &format, NULL);
//Get Raw Index value for element
lua_pushstring(l, "id");
lua_rawget(l, 1);
i = lua_tointeger (l, lua_gettop(l));
lua_pop(l, 1);
if (i < 0 || i >= PT_NUM || offset==-1)
{
return luaL_error(l, "Invalid property");
}
switch(format)
{
case 0:
tempinteger = *((int*)(((unsigned char*)&luacon_sim->elements[i])+offset));
lua_pushnumber(l, tempinteger);
break;
case 1:
tempfloat = *((float*)(((unsigned char*)&luacon_sim->elements[i])+offset));
lua_pushnumber(l, tempfloat);
break;
case 2:
tempstring = *((char**)(((unsigned char*)&luacon_sim->elements[i])+offset));
lua_pushstring(l, tempstring);
break;
case 3:
tempinteger = *((unsigned char*)(((unsigned char*)&luacon_sim->elements[i])+offset));
lua_pushnumber(l, tempinteger);
break;
}
return 1;
}
int luacon_elementwrite(lua_State* l)
{
int format, offset;
char * tempstring;
int i;
unsigned int modified_stuff = 0;
const char * key = luaL_optstring(l, 2, "");
offset = luacon_element_getproperty(key, &format, &modified_stuff);
//Get Raw Index value for element
lua_pushstring(l, "id");
lua_rawget(l, 1);
i = lua_tointeger (l, lua_gettop(l));
lua_pop(l, 1);
if (i < 0 || i >= PT_NUM || offset==-1)
{
return luaL_error(l, "Invalid property");
}
switch(format)
{
case 0:
*((int*)(((unsigned char*)&luacon_sim->elements[i])+offset)) = luaL_optinteger(l, 3, 0);
break;
case 1:
*((float*)(((unsigned char*)&luacon_sim->elements[i])+offset)) = luaL_optnumber(l, 3, 0);
break;
case 2:
tempstring = mystrdup((char*)luaL_optstring(l, 3, ""));
if (!strcmp(key, "name"))
{
//Convert to upper case
for (size_t j = 0; j < strlen(tempstring); j++)
tempstring[j] = toupper(tempstring[j]);
if(luacon_ci->GetParticleType(tempstring) != -1)
{
free(tempstring);
return luaL_error(l, "Name in use");
}
}
*((char**)(((unsigned char*)&luacon_sim->elements[i])+offset)) = tempstring;
//Need some way of cleaning up previous values
break;
case 3:
*((unsigned char*)(((unsigned char*)&luacon_sim->elements[i])+offset)) = luaL_optinteger(l, 3, 0);
break;
}
if (modified_stuff)
{
if (modified_stuff & LUACON_EL_MODIFIED_MENUS)
luacon_model->BuildMenus();
if (modified_stuff & LUACON_EL_MODIFIED_CANMOVE)
luacon_sim->init_can_move();
if (modified_stuff & LUACON_EL_MODIFIED_GRAPHICS)
memset(luacon_ren->graphicscache, 0, sizeof(gcache_item)*PT_NUM);
}
return 0;
}
bool shortcuts = true;
int luacon_keyevent(int key, int modifier, int event)
{
int kycontinue = 1;
lua_State* l=luacon_ci->l;
lua_pushstring(l, "keyfunctions");
lua_rawget(l, LUA_REGISTRYINDEX);
if(!lua_istable(l, -1))
{
lua_pop(l, 1);
lua_newtable(l);
lua_pushstring(l, "keyfunctions");
lua_pushvalue(l, -2);
lua_rawset(l, LUA_REGISTRYINDEX);
}
int len = lua_objlen(l, -1);
for (int i = 1; i <= len && kycontinue; i++)
{
lua_rawgeti(l, -1, i);
lua_pushlstring(l, (const char*)&key, 1);
lua_pushinteger(l, key);
lua_pushinteger(l, modifier);
lua_pushinteger(l, event);
int callret = lua_pcall(l, 4, 1, 0);
if (callret)
{
if (!strcmp(luacon_geterror(), "Error: Script not responding"))
{
ui::Engine::Ref().LastTick(gettime());
for (int j = i; j <= len-1; j++)
{
lua_rawgeti(l, -2, j+1);
lua_rawseti(l, -3, j);
}
lua_pushnil(l);
lua_rawseti(l, -3, len);
i--;
}
luacon_ci->Log(CommandInterface::LogError, luacon_geterror());
lua_pop(l, 1);
}
else
{
if(!lua_isnoneornil(l, -1))
kycontinue = lua_toboolean(l, -1);
lua_pop(l, 1);
}
len = lua_objlen(l, -1);
}
lua_pop(l, 1);
return kycontinue && shortcuts;
}
int luacon_mouseevent(int mx, int my, int mb, int event, int mouse_wheel)
{
int mpcontinue = 1;
lua_State* l=luacon_ci->l;
lua_pushstring(l, "mousefunctions");
lua_rawget(l, LUA_REGISTRYINDEX);
if(!lua_istable(l, -1))
{
lua_pop(l, 1);
lua_newtable(l);
lua_pushstring(l, "mousefunctions");
lua_pushvalue(l, -2);
lua_rawset(l, LUA_REGISTRYINDEX);
}
int len = lua_objlen(l, -1);
for (int i = 1; i <= len && mpcontinue; i++)
{
lua_rawgeti(l, -1, i);
lua_pushinteger(l, mx);
lua_pushinteger(l, my);
lua_pushinteger(l, mb);
lua_pushinteger(l, event);
lua_pushinteger(l, mouse_wheel);
int callret = lua_pcall(l, 5, 1, 0);
if (callret)
{
if (!strcmp(luacon_geterror(), "Error: Script not responding"))
{
ui::Engine::Ref().LastTick(gettime());
for (int j = i; j <= len-1; j++)
{
lua_rawgeti(l, -2, j+1);
lua_rawseti(l, -3, j);
}
lua_pushnil(l);
lua_rawseti(l, -3, len);
i--;
}
luacon_ci->Log(CommandInterface::LogError, luacon_geterror());
lua_pop(l, 1);
}
else
{
if(!lua_isnoneornil(l, -1))
mpcontinue = lua_toboolean(l, -1);
lua_pop(l, 1);
}
len = lua_objlen(l, -1);
}
lua_pop(l, 1);
return mpcontinue;
}
int luacon_step(int mx, int my)
{
lua_State* l = luacon_ci->l;
lua_pushinteger(l, my);
lua_pushinteger(l, mx);
lua_setfield(l, tptProperties, "mousex");
lua_setfield(l, tptProperties, "mousey");
lua_pushstring(l, "stepfunctions");
lua_rawget(l, LUA_REGISTRYINDEX);
if (!lua_istable(l, -1))
{
lua_pop(l, 1);
lua_newtable(l);
lua_pushstring(l, "stepfunctions");
lua_pushvalue(l, -2);
lua_rawset(l, LUA_REGISTRYINDEX);
}
int len = lua_objlen(l, -1);
for (int i = 1; i <= len; i++)
{
lua_rawgeti(l, -1, i);
int callret = lua_pcall(l, 0, 0, 0);
if (callret)
{
if (!strcmp(luacon_geterror(), "Error: Script not responding"))
{
ui::Engine::Ref().LastTick(gettime());
for (int j = i; j <= len-1; j++)
{
lua_rawgeti(l, -2, j+1);
lua_rawseti(l, -3, j);
}
lua_pushnil(l);
lua_rawseti(l, -3, len);
i--;
}
luacon_ci->Log(CommandInterface::LogError, luacon_geterror());
lua_pop(l, 1);
}
len = lua_objlen(l, -1);
}
lua_pop(l, 1);
return 0;
}
int luacon_eval(const char *command)
{
ui::Engine::Ref().LastTick(gettime());
return luaL_dostring (luacon_ci->l, command);
}
void luacon_hook(lua_State * l, lua_Debug * ar)
{
if(ar->event == LUA_HOOKCOUNT && gettime()-ui::Engine::Ref().LastTick() > 3000)
{
if(ConfirmPrompt::Blocking("Script not responding", "The Lua script may have stopped responding. There might be an infinite loop. Press \"Stop\" to stop it", "Stop"))
luaL_error(l, "Error: Script not responding");
ui::Engine::Ref().LastTick(gettime());
}
}
int luaL_tostring (lua_State *L, int n)
{
luaL_checkany(L, n);
switch (lua_type(L, n))
{
case LUA_TNUMBER:
lua_pushstring(L, lua_tostring(L, n));
break;
case LUA_TSTRING:
lua_pushvalue(L, n);
break;
case LUA_TBOOLEAN:
lua_pushstring(L, (lua_toboolean(L, n) ? "true" : "false"));
break;
case LUA_TNIL:
lua_pushliteral(L, "nil");
break;
default:
lua_pushfstring(L, "%s: %p", luaL_typename(L, n), lua_topointer(L, n));
break;
}
return 1;
}
const char *luacon_geterror()
{
luaL_tostring(luacon_ci->l, -1);
const char* err = luaL_optstring(luacon_ci->l, -1, "failed to execute");
lua_pop(luacon_ci->l, 1);
return err;
}
//TPT Interface methods
int luatpt_test(lua_State* l)
{
int testint = 0;
testint = luaL_optint(l, 1, 0);
printf("Test successful, got %d\n", testint);
return 0;
}
int luatpt_getelement(lua_State *l)
{
int t;
if (lua_isnumber(l, 1))
{
t = luaL_optint(l, 1, 1);
if (t<0 || t>=PT_NUM)
return luaL_error(l, "Unrecognised element number '%d'", t);
lua_pushstring(l, luacon_sim->elements[t].Name);
}
else
{
luaL_checktype(l, 1, LUA_TSTRING);
const char* name = luaL_optstring(l, 1, "");
if ((t = luacon_ci->GetParticleType(name))==-1)
return luaL_error(l, "Unrecognised element '%s'", name);
lua_pushinteger(l, t);
}
return 1;
}
int luacon_elementReplacement(UPDATE_FUNC_ARGS)
{
int retval = 0, callret;
if (lua_el_func[parts[i].type])
{
lua_rawgeti(luacon_ci->l, LUA_REGISTRYINDEX, lua_el_func[parts[i].type]);
lua_pushinteger(luacon_ci->l, i);
lua_pushinteger(luacon_ci->l, x);
lua_pushinteger(luacon_ci->l, y);
lua_pushinteger(luacon_ci->l, surround_space);
lua_pushinteger(luacon_ci->l, nt);
callret = lua_pcall(luacon_ci->l, 5, 1, 0);
if (callret)
luacon_ci->Log(CommandInterface::LogError, luacon_geterror());
if(lua_isboolean(luacon_ci->l, -1)){
retval = lua_toboolean(luacon_ci->l, -1);
}
lua_pop(luacon_ci->l, 1);
}
return retval;
}
int luatpt_element_func(lua_State *l)
{
if(lua_isfunction(l, 1))
{
int element = luaL_optint(l, 2, 0);
int replace = luaL_optint(l, 3, 0);
int function;
lua_pushvalue(l, 1);
function = luaL_ref(l, LUA_REGISTRYINDEX);
if(element > 0 && element < PT_NUM)
{
lua_el_func[element] = function;
if (replace == 2)
lua_el_mode[element] = 3; //update before
else if (replace)
lua_el_mode[element] = 2; //replace
else
lua_el_mode[element] = 1; //update after
return 0;
}
else
{
return luaL_error(l, "Invalid element");
}
}
else if(lua_isnil(l, 1))
{
int element = luaL_optint(l, 2, 0);
if(element > 0 && element < PT_NUM)
{
lua_el_func[element] = 0;
lua_el_mode[element] = 0;
}
else
{
return luaL_error(l, "Invalid element");
}
}
else
return luaL_error(l, "Not a function");
return 0;
}
int luacon_graphicsReplacement(GRAPHICS_FUNC_ARGS, int i)
{
int cache = 0, callret;
lua_rawgeti(luacon_ci->l, LUA_REGISTRYINDEX, lua_gr_func[cpart->type]);
lua_pushinteger(luacon_ci->l, i);
lua_pushinteger(luacon_ci->l, *colr);
lua_pushinteger(luacon_ci->l, *colg);
lua_pushinteger(luacon_ci->l, *colb);
callret = lua_pcall(luacon_ci->l, 4, 10, 0);
if (callret)
{
luacon_ci->Log(CommandInterface::LogError, luacon_geterror());
lua_pop(luacon_ci->l, 1);
}
else
{
cache = luaL_optint(luacon_ci->l, -10, 0);
*pixel_mode = luaL_optint(luacon_ci->l, -9, *pixel_mode);
*cola = luaL_optint(luacon_ci->l, -8, *cola);
*colr = luaL_optint(luacon_ci->l, -7, *colr);
*colg = luaL_optint(luacon_ci->l, -6, *colg);
*colb = luaL_optint(luacon_ci->l, -5, *colb);
*firea = luaL_optint(luacon_ci->l, -4, *firea);
*firer = luaL_optint(luacon_ci->l, -3, *firer);
*fireg = luaL_optint(luacon_ci->l, -2, *fireg);
*fireb = luaL_optint(luacon_ci->l, -1, *fireb);
lua_pop(luacon_ci->l, 10);
}
return cache;
}
int luatpt_graphics_func(lua_State *l)
{
if(lua_isfunction(l, 1))
{
int element = luaL_optint(l, 2, 0);
int function;
lua_pushvalue(l, 1);
function = luaL_ref(l, LUA_REGISTRYINDEX);
if (element > 0 && element < PT_NUM)
{
lua_gr_func[element] = function;
luacon_ren->graphicscache[element].isready = 0;
return 0;
}
else
{
return luaL_error(l, "Invalid element");
}
}
else if (lua_isnil(l, 1))
{
int element = luaL_optint(l, 2, 0);
if (element > 0 && element < PT_NUM)
{
lua_gr_func[element] = 0;
luacon_ren->graphicscache[element].isready = 0;
return 0;
}
else
{
return luaL_error(l, "Invalid element");
}
}
else
return luaL_error(l, "Not a function");
return 0;
}
int luatpt_error(lua_State* l)
{
std::string errorMessage = std::string(luaL_optstring(l, 1, "Error text"));
ErrorMessage::Blocking("Error", errorMessage);
return 0;
}
int luatpt_drawtext(lua_State* l)
{
const char *string;
int textx, texty, textred, textgreen, textblue, textalpha;
textx = luaL_optint(l, 1, 0);
texty = luaL_optint(l, 2, 0);
string = luaL_optstring(l, 3, "");
textred = luaL_optint(l, 4, 255);
textgreen = luaL_optint(l, 5, 255);
textblue = luaL_optint(l, 6, 255);
textalpha = luaL_optint(l, 7, 255);
if (textx<0 || texty<0 || textx>=WINDOWW || texty>=WINDOWH)
return luaL_error(l, "Screen coordinates out of range (%d,%d)", textx, texty);
if (textred<0) textred = 0;
if (textred>255) textred = 255;
if (textgreen<0) textgreen = 0;
if (textgreen>255) textgreen = 255;
if (textblue<0) textblue = 0;
if (textblue>255) textblue = 255;
if (textalpha<0) textalpha = 0;
if (textalpha>255) textalpha = 255;
luacon_g->drawtext(textx, texty, string, textred, textgreen, textblue, textalpha);
return 0;
}
int luatpt_create(lua_State* l)
{
int x, y, retid, t = -1;
x = abs(luaL_optint(l, 1, 0));
y = abs(luaL_optint(l, 2, 0));
if(x < XRES && y < YRES)
{
if(lua_isnumber(l, 3))
{
t = luaL_optint(l, 3, 0);
if (t<0 || t >= PT_NUM || !luacon_sim->elements[t].Enabled)
return luaL_error(l, "Unrecognised element number '%d'", t);
} else {
const char* name = luaL_optstring(l, 3, "dust");
if ((t = luacon_ci->GetParticleType(std::string(name))) == -1)
return luaL_error(l,"Unrecognised element '%s'", name);
}
retid = luacon_sim->create_part(-1, x, y, t);
// failing to create a particle often happens (e.g. if space is already occupied) and isn't usually important, so don't raise an error
lua_pushinteger(l, retid);
return 1;
}
return luaL_error(l, "Coordinates out of range (%d,%d)", x, y);
}
int luatpt_setpause(lua_State* l)
{
int acount = lua_gettop(l);
if (acount == 0)
{
lua_pushnumber(l, luacon_model->GetPaused());
return 1;
}
int pausestate = luaL_checkinteger(l, 1);
luacon_model->SetPaused(pausestate==0?0:1);
return 0;
}
int luatpt_togglepause(lua_State* l)
{
luacon_model->SetPaused(!luacon_model->GetPaused());
lua_pushnumber(l, luacon_model->GetPaused());
return 1;
}
int luatpt_togglewater(lua_State* l)
{
luacon_sim->water_equal_test=!luacon_sim->water_equal_test;
lua_pushnumber(l, luacon_sim->water_equal_test);
return 1;
}
int luatpt_setconsole(lua_State* l)
{
int acount = lua_gettop(l);
if (acount == 0)
{
lua_pushnumber(l, luacon_ci->Window != ui::Engine::Ref().GetWindow());
return 1;
}
if (luaL_checkinteger(l, 1))
luacon_controller->ShowConsole();
else
luacon_controller->HideConsole();
return 0;
}
int luatpt_log(lua_State* l)
{
int args = lua_gettop(l);
std::string text = "";
for(int i = 1; i <= args; i++)
{
luaL_tostring(l, -1);
if(text.length())
text=std::string(luaL_optstring(l, -1, "")) + ", " + text;
else
text=std::string(luaL_optstring(l, -1, ""));
lua_pop(l, 2);
}
if((*luacon_currentCommand))
{
if(luacon_lastError->length())
*luacon_lastError += "; ";
*luacon_lastError += text;
}
else
luacon_ci->Log(CommandInterface::LogNotice, text.c_str());
return 0;
}
int luatpt_set_pressure(lua_State* l)
{
int nx, ny;
int x1, y1, width, height;
float value;
x1 = abs(luaL_optint(l, 1, 0));
y1 = abs(luaL_optint(l, 2, 0));
width = abs(luaL_optint(l, 3, XRES/CELL));
height = abs(luaL_optint(l, 4, YRES/CELL));
value = (float)luaL_optint(l, 5, 0.0f);
if(value > 256.0f)
value = 256.0f;
else if(value < -256.0f)
value = -256.0f;
if(x1 > (XRES/CELL)-1)
x1 = (XRES/CELL)-1;
if(y1 > (YRES/CELL)-1)
y1 = (YRES/CELL)-1;
if(x1+width > (XRES/CELL)-1)
width = (XRES/CELL)-x1;
if(y1+height > (YRES/CELL)-1)
height = (YRES/CELL)-y1;
for (nx = x1; nx<x1+width; nx++)
for (ny = y1; ny<y1+height; ny++)
{
luacon_sim->pv[ny][nx] = value;
}
return 0;
}
int luatpt_set_gravity(lua_State* l)
{
int nx, ny;
int x1, y1, width, height;
float value;
x1 = abs(luaL_optint(l, 1, 0));
y1 = abs(luaL_optint(l, 2, 0));
width = abs(luaL_optint(l, 3, XRES/CELL));
height = abs(luaL_optint(l, 4, YRES/CELL));
value = (float)luaL_optint(l, 5, 0.0f);
if(value > 256.0f)
value = 256.0f;
else if(value < -256.0f)
value = -256.0f;
if(x1 > (XRES/CELL)-1)
x1 = (XRES/CELL)-1;
if(y1 > (YRES/CELL)-1)
y1 = (YRES/CELL)-1;
if(x1+width > (XRES/CELL)-1)
width = (XRES/CELL)-x1;
if(y1+height > (YRES/CELL)-1)
height = (YRES/CELL)-y1;
for (nx = x1; nx<x1+width; nx++)
for (ny = y1; ny<y1+height; ny++)
{
luacon_sim->gravmap[ny*(XRES/CELL)+nx] = value;
}
return 0;
}
int luatpt_reset_gravity_field(lua_State* l)
{
int nx, ny;
int x1, y1, width, height;
x1 = abs(luaL_optint(l, 1, 0));
y1 = abs(luaL_optint(l, 2, 0));
width = abs(luaL_optint(l, 3, XRES/CELL));
height = abs(luaL_optint(l, 4, YRES/CELL));
if(x1 > (XRES/CELL)-1)
x1 = (XRES/CELL)-1;
if(y1 > (YRES/CELL)-1)
y1 = (YRES/CELL)-1;
if(x1+width > (XRES/CELL)-1)
width = (XRES/CELL)-x1;