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//most of the code is shamelessly stolen from steam-engine.cpp
#include "Error.h"
#include <Console.h>
#include <Export.h>
#include <PluginManager.h>
#include "LuaTools.h"
#include <VTableInterpose.h>
#include "MiscUtils.h"
#include "df/building_doorst.h"
#include "df/building_workshopst.h"
#include "df/machine.h"
#include "df/machine_tile_set.h"
#include "df/power_info.h"
#include "df/world.h"
#include "df/buildings_other_id.h"
#include "df/coord.h"
#include "df/tile_building_occ.h"
#include "df/building_drawbuffer.h"
#include "df/general_ref_creaturest.h" // needed for power information storage
#include "modules/Buildings.h"
#include <map>
using namespace DFHack;
using namespace df::enums;
DFHACK_PLUGIN("building-hacks");
REQUIRE_GLOBAL(world);
struct graphic_tile //could do just 31x31 and be done, but it's nicer to have flexible imho.
{
int16_t tile; //originally uint8_t but we need to indicate non-animated tiles
int8_t fore;
int8_t back;
int8_t bright;
};
struct workshop_hack_data
{
int32_t myType;
bool impassible_fix;
//machine stuff
df::machine_tile_set connections;
df::power_info powerInfo;
bool needs_power;
//animation
std::vector<std::vector<graphic_tile> > frames;
bool machine_timing; //6 frames used in vanilla
int frame_skip; // e.g. 2 means have to ticks between frames
//updateCallback:
int skip_updates;
int room_subset; //0 no, 1 yes, -1 default
};
typedef std::map<int32_t,workshop_hack_data> workshops_data_t;
workshops_data_t hacked_workshops;
static void handle_update_action(color_ostream &out,df::building_workshopst*){};
DEFINE_LUA_EVENT_1(onUpdateAction,handle_update_action,df::building_workshopst*);
DFHACK_PLUGIN_LUA_EVENTS {
DFHACK_LUA_EVENT(onUpdateAction),
DFHACK_LUA_END
};
struct work_hook : df::building_workshopst{
typedef df::building_workshopst interpose_base;
workshop_hack_data* find_def()
{
if (type == workshop_type::Custom)
{
auto it=hacked_workshops.find(this->getCustomType());
if(it!=hacked_workshops.end())
return &(it->second);
}
return NULL;
}
inline bool is_fully_built()
{
return getBuildStage() >= getMaxBuildStage();
}
bool get_current_power(df::power_info* info)
{
if (workshop_hack_data* def = find_def())
{
df::general_ref_creaturest* ref = static_cast<df::general_ref_creaturest*>(DFHack::Buildings::getGeneralRef(this, general_ref_type::CREATURE));
if (ref)
{
info->produced = ref->unk_1;
info->consumed = ref->unk_2;
return true;
}
else
{
info->produced = def->powerInfo.produced;
info->consumed = def->powerInfo.consumed;
return true;
}
//try getting ref, if not return from def
}
return false;
}
void set_current_power(int produced, int consumed)
{
if(machine.machine_id != -1) //if connected to machine, update the machine network production
{
df::machine* target_machine = df::machine::find(machine.machine_id);
if (target_machine)
{
df::power_info old_power;
get_current_power(&old_power);
target_machine->min_power += consumed - old_power.consumed;
target_machine->cur_power += produced - old_power.produced;
}
}
df::general_ref_creaturest* ref = static_cast<df::general_ref_creaturest*>(DFHack::Buildings::getGeneralRef(this, general_ref_type::CREATURE));
if (ref)
{
ref->unk_1 = produced;
ref->unk_2 = consumed;
}
else
{
ref = df::allocate<df::general_ref_creaturest>();
ref->unk_1 = produced;
ref->unk_2 = consumed;
general_refs.push_back(ref);
}
}
DEFINE_VMETHOD_INTERPOSE(uint32_t,getImpassableOccupancy,())
{
if(auto def = find_def())
{
if(def->impassible_fix)
return tile_building_occ::Impassable;
}
return INTERPOSE_NEXT(getImpassableOccupancy)();
}
DEFINE_VMETHOD_INTERPOSE(void, getPowerInfo, (df::power_info *info))
{
if (find_def())
{
df::power_info power;
get_current_power(info);
return;
}
INTERPOSE_NEXT(getPowerInfo)(info);
}
DEFINE_VMETHOD_INTERPOSE(df::machine_info*, getMachineInfo, ())
{
if (find_def())
return &machine;
return INTERPOSE_NEXT(getMachineInfo)();
}
DEFINE_VMETHOD_INTERPOSE(bool, isPowerSource, ())
{
workshop_hack_data* def=find_def();
df::power_info power;
get_current_power(&power);
if (def && power.produced>0)
return true;
return INTERPOSE_NEXT(isPowerSource)();
}
DEFINE_VMETHOD_INTERPOSE(void, categorize, (bool free))
{
if (find_def())
{
auto &vec = world->buildings.other[buildings_other_id::ANY_MACHINE];
insert_into_vector(vec, &df::building::id, (df::building*)this);
}
INTERPOSE_NEXT(categorize)(free);
}
DEFINE_VMETHOD_INTERPOSE(void, uncategorize, ())
{
if (find_def())
{
auto &vec = world->buildings.other[buildings_other_id::ANY_MACHINE];
erase_from_vector(vec, &df::building::id, id);
}
INTERPOSE_NEXT(uncategorize)();
}
DEFINE_VMETHOD_INTERPOSE(bool, canConnectToMachine, (df::machine_tile_set *info))
{
if (auto def = find_def())
{
int real_cx = centerx, real_cy = centery;
bool ok = false;
for (size_t i = 0; i < def->connections.tiles.size(); i++)
{
// the original function connects to the center tile
centerx = x1 + def->connections.tiles[i].x;
centery = y1 + def->connections.tiles[i].y;
if (!INTERPOSE_NEXT(canConnectToMachine)(info))
continue;
ok = true;
break;
}
centerx = real_cx; centery = real_cy;
return ok;
}
else
return INTERPOSE_NEXT(canConnectToMachine)(info);
}
DEFINE_VMETHOD_INTERPOSE(bool, isUnpowered, ())
{
if (auto def = find_def())
{
if (!def->needs_power)
return false;
df::power_info power;
get_current_power(&power);
if (power.consumed == 0)
return false;
if(machine.machine_id==-1)
return true;
df::machine* target_machine=df::machine::find(machine.machine_id);
if(target_machine && target_machine->flags.bits.active)
return false;
return true;
}
return INTERPOSE_NEXT(isUnpowered)();
}
DEFINE_VMETHOD_INTERPOSE(bool, canBeRoomSubset, ())
{
if(auto def = find_def())
{
if(def->room_subset==0)
return false;
if(def->room_subset==1)
return true;
}
return INTERPOSE_NEXT(canBeRoomSubset)();
}
DEFINE_VMETHOD_INTERPOSE(void, updateAction, ())
{
if(auto def = find_def())
{
if(def->skip_updates!=0 && is_fully_built())
{
if(world->frame_counter % def->skip_updates == 0)
{
color_ostream_proxy out(Core::getInstance().getConsole());
onUpdateAction(out,this);
}
}
}
INTERPOSE_NEXT(updateAction)();
}
DEFINE_VMETHOD_INTERPOSE(void, drawBuilding, (df::building_drawbuffer *db, int16_t unk))
{
INTERPOSE_NEXT(drawBuilding)(db, unk);
if (auto def = find_def())
{
if (!is_fully_built() || def->frames.size()==0)
return;
int frame=0;
if(!def->machine_timing)
{
int frame_mod=def->frames.size()* def->frame_skip;
frame=(world->frame_counter % frame_mod)/def->frame_skip;
}
else
{
if(machine.machine_id!=-1)
{
df::machine* target_machine=df::machine::find(machine.machine_id);
if(target_machine)
{
frame=target_machine->visual_phase % def->frames.size();
}
}
}
int w=db->x2-db->x1+1;
std::vector<graphic_tile> &cur_frame=def->frames[frame];
for(size_t i=0;i<cur_frame.size();i++)
{
if(cur_frame[i].tile>=0)
{
int tx=i % w;
int ty=i / w;
db->tile[tx][ty]=cur_frame[i].tile;
db->back[tx][ty]=cur_frame[i].back;
db->bright[tx][ty]=cur_frame[i].bright;
db->fore[tx][ty]=cur_frame[i].fore;
}
}
}
}
};
IMPLEMENT_VMETHOD_INTERPOSE(work_hook, getImpassableOccupancy);
IMPLEMENT_VMETHOD_INTERPOSE(work_hook, getPowerInfo);
IMPLEMENT_VMETHOD_INTERPOSE(work_hook, getMachineInfo);
IMPLEMENT_VMETHOD_INTERPOSE(work_hook, isPowerSource);
IMPLEMENT_VMETHOD_INTERPOSE(work_hook, categorize);
IMPLEMENT_VMETHOD_INTERPOSE(work_hook, uncategorize);
IMPLEMENT_VMETHOD_INTERPOSE(work_hook, canConnectToMachine);
IMPLEMENT_VMETHOD_INTERPOSE(work_hook, isUnpowered);
IMPLEMENT_VMETHOD_INTERPOSE(work_hook, canBeRoomSubset);
IMPLEMENT_VMETHOD_INTERPOSE(work_hook, updateAction);
IMPLEMENT_VMETHOD_INTERPOSE(work_hook, drawBuilding);
void clear_mapping()
{
hacked_workshops.clear();
}
static void loadFrames(lua_State* L,workshop_hack_data& def,int stack_pos)
{
luaL_checktype(L,stack_pos,LUA_TTABLE);
lua_pushvalue(L,stack_pos);
lua_pushnil(L);
while (lua_next(L, -2) != 0) {
luaL_checktype(L,-1,LUA_TTABLE);
lua_pushnil(L);
std::vector<graphic_tile> frame;
while (lua_next(L, -2) != 0) {
graphic_tile t;
lua_pushnumber(L,1);
lua_gettable(L,-2);
if(lua_isnil(L,-1))
{
t.tile=-1;
lua_pop(L,1);
}
else
{
t.tile=lua_tonumber(L,-1);
lua_pop(L,1);
lua_pushnumber(L,2);
lua_gettable(L,-2);
t.fore=lua_tonumber(L,-1);
lua_pop(L,1);
lua_pushnumber(L,3);
lua_gettable(L,-2);
t.back=lua_tonumber(L,-1);
lua_pop(L,1);
lua_pushnumber(L,4);
lua_gettable(L,-2);
t.bright=lua_tonumber(L,-1);
lua_pop(L,1);
}
frame.push_back(t);
lua_pop(L,1);
}
lua_pop(L,1);
def.frames.push_back(frame);
}
lua_pop(L,1);
return ;
}
//arguments: custom type,impassible fix (bool), consumed power, produced power, list of connection points, update skip(0/nil to disable)
// table of frames,frame to tick ratio (-1 for machine control)
static int addBuilding(lua_State* L)
{
workshop_hack_data newDefinition;
newDefinition.myType=luaL_checkint(L,1);
newDefinition.impassible_fix=luaL_checkint(L,2);
newDefinition.powerInfo.consumed=luaL_checkint(L,3);
newDefinition.powerInfo.produced=luaL_checkint(L,4);
newDefinition.needs_power = luaL_optinteger(L, 5, 1);
//table of machine connection points
luaL_checktype(L,6,LUA_TTABLE);
lua_pushvalue(L,6);
lua_pushnil(L);
while (lua_next(L, -2) != 0) {
lua_getfield(L,-1,"x");
int x=lua_tonumber(L,-1);
lua_pop(L,1);
lua_getfield(L,-1,"y");
int y=lua_tonumber(L,-1);
lua_pop(L,1);
df::machine_conn_modes modes;
modes.whole = -1;
newDefinition.connections.can_connect.push_back(modes);//TODO add this too...
newDefinition.connections.tiles.push_back(df::coord(x,y,0));
lua_pop(L,1);
}
lua_pop(L,1);
//updates
newDefinition.skip_updates=luaL_optinteger(L,7,0);
//animation
if(!lua_isnil(L,8))
{
loadFrames(L,newDefinition,8);
newDefinition.frame_skip=luaL_optinteger(L,9,-1);
if(newDefinition.frame_skip==0)
newDefinition.frame_skip=1;
if(newDefinition.frame_skip<0)
newDefinition.machine_timing=true;
else
newDefinition.machine_timing=false;
}
newDefinition.room_subset=luaL_optinteger(L,10,-1);
hacked_workshops[newDefinition.myType]=newDefinition;
return 0;
}
static void setPower(df::building_workshopst* workshop, int power_produced, int power_consumed)
{
work_hook* ptr = static_cast<work_hook*>(workshop);
if (ptr->find_def()) // check if it's really hacked workshop
{
ptr->set_current_power(power_produced, power_consumed);
}
}
static int getPower(lua_State*L)
{
auto workshop = Lua::CheckDFObject<df::building_workshopst>(L, 1);
work_hook* ptr = static_cast<work_hook*>(workshop);
if (!ptr)
return 0;
if (ptr->find_def()) // check if it's really hacked workshop
{
df::power_info info;
ptr->get_current_power(&info);
lua_pushinteger(L, info.produced);
lua_pushinteger(L, info.consumed);
return 2;
}
return 0;
}
DFHACK_PLUGIN_LUA_FUNCTIONS{
DFHACK_LUA_FUNCTION(setPower),
DFHACK_LUA_END
};
DFHACK_PLUGIN_LUA_COMMANDS{
DFHACK_LUA_COMMAND(addBuilding),
DFHACK_LUA_COMMAND(getPower),
DFHACK_LUA_END
};
static void enable_hooks(bool enable)
{
INTERPOSE_HOOK(work_hook,getImpassableOccupancy).apply(enable);
//machine part
INTERPOSE_HOOK(work_hook,getPowerInfo).apply(enable);
INTERPOSE_HOOK(work_hook,getMachineInfo).apply(enable);
INTERPOSE_HOOK(work_hook,isPowerSource).apply(enable);
INTERPOSE_HOOK(work_hook,categorize).apply(enable);
INTERPOSE_HOOK(work_hook,uncategorize).apply(enable);
INTERPOSE_HOOK(work_hook,canConnectToMachine).apply(enable);
INTERPOSE_HOOK(work_hook,isUnpowered).apply(enable);
INTERPOSE_HOOK(work_hook,canBeRoomSubset).apply(enable);
//update n render
INTERPOSE_HOOK(work_hook,updateAction).apply(enable);
INTERPOSE_HOOK(work_hook,drawBuilding).apply(enable);
}
DFhackCExport command_result plugin_onstatechange(color_ostream &out, state_change_event event)
{
switch (event) {
case SC_WORLD_LOADED:
enable_hooks(true);
break;
case SC_WORLD_UNLOADED:
enable_hooks(false);
clear_mapping();
break;
default:
break;
}
return CR_OK;
}
DFhackCExport command_result plugin_init ( color_ostream &out, std::vector <PluginCommand> &commands)
{
enable_hooks(true);
return CR_OK;
}
DFhackCExport command_result plugin_shutdown ( color_ostream &out )
{
plugin_onstatechange(out,SC_WORLD_UNLOADED);
return CR_OK;
}
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