mirror of
https://github.com/MihailRis/voxelcore.git
synced 2026-10-08 20:41:49 +00:00
Merge branch 'main' into animation
This commit is contained in:
MihailRis
commit
282c9b3de2
68 changed files with 1419 additions and 488 deletions
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@ -4,12 +4,14 @@ local FFI = ffi
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FFI.cdef[[
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void* malloc(size_t);
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void* realloc(void*, size_t);
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void free(void*);
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typedef struct {
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unsigned char* bytes;
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int size;
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int capacity;
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} bytearray_t;
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void* memmove(void*, const void*, size_t);
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]]
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local free = FFI.C.free
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@ -22,12 +24,33 @@ local GC_THRESHOLD = 50 * 1024 * 1024
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local function malloc(size)
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local raw = FFI.C.malloc(size)
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if raw == nil then
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return nil
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if not raw then
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error("failed memory allocation of " .. size .. " bytes")
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end
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allocated_bytes = allocated_bytes + size
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if allocated_bytes >= GC_THRESHOLD then
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collectgarbage("step", 200)
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allocated_bytes = 0
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end
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return raw
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end
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local function realloc(buff, size, throwerror)
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if throwerror == nil then throwerror = true end
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if size <= 0 then
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free(buff)
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return
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end
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local raw = FFI.C.realloc(buff, size)
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if not raw and throwerror then
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error("failed memory reallocation of block " .. buff .. " to new size " .. size)
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end
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allocated_bytes = allocated_bytes + size
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if allocated_bytes >= GC_THRESHOLD then
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collectgarbage("step", 200)
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allocated_bytes = 0
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@ -38,23 +61,17 @@ end
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local function grow_buffer(self, elems)
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local new_capacity = math.ceil(self.capacity / 0.75 + elems)
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local prev = self.bytes
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self.bytes = malloc(new_capacity)
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FFI.copy(self.bytes, prev, self.size)
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self.bytes = realloc(self.bytes, new_capacity)
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self.capacity = new_capacity
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free(prev)
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end
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local function trim_buffer(self)
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if self.size == self.capacity then
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return
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if self.size == self.capacity then return end
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local new_bytes = realloc(self.bytes, self.size, false)
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if new_bytes then
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self.bytes = new_bytes
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self.capacity = self.size
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end
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local size = self.size
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local prev = self.bytes
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self.bytes = malloc(size)
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FFI.copy(self.bytes, prev, self.size)
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self.capacity = size
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free(prev)
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end
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local function count_elements(b)
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@ -125,15 +142,21 @@ local function clear(self)
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self.size = 0
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end
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local function reserve(self, new_capacity)
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if new_capacity <= self.capacity then
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return
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local function fill(self, index, size, byte)
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if index ~= nil and size ~= nil and size > 0 then
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if index < 1 or index + size - 1 > self.size then
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error("selected fill range is out of array bounds")
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end
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FFI.fill(self.bytes + index - 1, size, byte)
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else
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FFI.fill(self.bytes, self.size, byte)
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end
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local prev = self.bytes
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self.bytes = malloc(new_capacity)
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FFI.copy(self.bytes, prev, self.size)
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end
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local function reserve(self, new_capacity)
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if new_capacity <= self.capacity then return end
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self.bytes = realloc(self.bytes, new_capacity)
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self.capacity = new_capacity
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free(prev)
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end
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local function get_capacity(self)
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@ -150,22 +173,46 @@ local function slice(self, offset, length)
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length = self.size - offset + 1
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end
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local buffer = malloc(length)
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if not buffer then
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error("malloc(" .. length .. ") returned NULL")
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end
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FFI.copy(buffer, self.bytes + (offset - 1), length)
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return bytearray_type(buffer, length, length)
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end
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local function copy(self, srcindex, dst, dstindex, size)
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if size <= 0 then error("size of byte range must be positive non-zero integer") end
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if srcindex < 1 or srcindex + size - 1 > self.size then
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error("specified source byte range is out of source array bounds")
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end
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if dstindex < 1 or dstindex + size - 1 > dst.size then
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error("specified destination byte range is out of destination array bounds")
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end
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FFI.copy(dst.bytes + dstindex - 1, self.bytes + srcindex - 1, size)
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end
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local function move(self, fromindex, toindex, size)
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if size <= 0 then error("size of byte range must be positive non-zero integer") end
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if fromindex < 1 or fromindex + size - 1 > self.size then
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error("specified source byte range is out of array bounds")
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end
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if toindex < 1 or toindex + size - 1 > self.size then
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error("specified destination byte range is out of array bounds")
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end
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FFI.C.memmove(self.bytes + toindex - 1, self.bytes + fromindex - 1, size)
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end
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local bytearray_methods = {
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append=append,
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insert=insert,
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remove=remove,
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trim=trim_buffer,
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clear=clear,
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reserve=reserve,
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get_capacity=get_capacity,
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slice=slice,
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append = append,
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insert = insert,
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remove = remove,
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trim = trim_buffer,
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clear = clear,
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reserve = reserve,
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get_capacity = get_capacity,
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slice = slice,
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fill = fill,
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copy = copy,
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move = move
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}
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local bytearray_mt = {
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@ -256,7 +303,8 @@ local function FFIBytearray_as_string(bytes)
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end
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end
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local function create_FFIview_class(name, typename, typesize)
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local function create_FFIview_class(name, typename)
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local typesize = FFI.sizeof(typename)
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local ptrtype = typename .. "*"
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local FFIview_mt = {
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__index = function(self, key)
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@ -291,27 +339,44 @@ local function create_FFIview_class(name, typename, typesize)
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return i, ptr[i - 1]
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end
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end
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end
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end,
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}
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return function (bytes)
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local x = setmetatable({
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bytes=bytes,
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}, FFIview_mt)
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return x
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end
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return setmetatable({}, {
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__call = function (self, bytes)
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local x = setmetatable({
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bytes=bytes,
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}, FFIview_mt)
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return x
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end,
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__index = {
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typesize = function()
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return typesize
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end
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}
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})
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end
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local FFII16view = create_FFIview_class("FFII16view", "int16_t", 2)
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local FFIU16view = create_FFIview_class("FFIU16view", "uint16_t", 2)
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local FFII32view = create_FFIview_class("FFII32view", "int32_t", 4)
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local FFIU32view = create_FFIview_class("FFIU32view", "uint32_t", 4)
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local FFII8view = create_FFIview_class("FFII8view", "int8_t")
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local FFII16view = create_FFIview_class("FFII16view", "int16_t")
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local FFIU16view = create_FFIview_class("FFIU16view", "uint16_t")
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local FFII32view = create_FFIview_class("FFII32view", "int32_t")
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local FFIU32view = create_FFIview_class("FFIU32view", "uint32_t")
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local FFII64view = create_FFIview_class("FFII64view", "int64_t")
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local FFIU64view = create_FFIview_class("FFIU64view", "uint64_t")
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local FFIFLTview = create_FFIview_class("FFIFLTview", "float")
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local FFIDBLview = create_FFIview_class("FFIDBLview", "double")
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return {
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FFIBytearray = setmetatable(FFIBytearray, FFIBytearray),
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FFIBytearray_as_string = FFIBytearray_as_string,
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FFIBytearray_as_ptr = FFIBytearray_as_ptr,
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FFII8view = FFII8view,
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FFIU16view = FFIU16view,
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FFII16view = FFII16view,
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FFIU32view = FFIU32view,
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FFII32view = FFII32view,
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FFIU64view = FFIU64view,
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FFII64view = FFII64view,
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FFIFLTview = FFIFLTview,
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FFIDBLview = FFIDBLview,
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}
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38
res/modules/internal/ctypes.lua
Normal file
38
res/modules/internal/ctypes.lua
Normal file
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@ -0,0 +1,38 @@
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local FFI = ffi
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FFI.cdef[[
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unsigned long long strtoull(const char* nptr, char** endptr, int base);
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long long strtoll(const char* nptr, char** endptr, int base);
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]]
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local this = {}
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local function create_integral_type(ctype_name, signed)
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local parse_func = signed and FFI.C.strtoll or FFI.C.strtoull
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return function(value, base)
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value = value or 0
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local typename = type(value)
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if typename == "number" then
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return FFI.cast(ctype_name, value)
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elseif typename == "string" then
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if type(base) ~= "number" then
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base = 10
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end
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return parse_func(value, nil, base)
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end
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error(string.format("invalid value type: %s", typename))
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end
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end
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this.uint8 = create_integral_type("uint8_t", false)
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this.uint16 = create_integral_type("uint16_t", false)
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this.uint32 = create_integral_type("uint32_t", false)
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this.uint64 = create_integral_type("uint64_t", false)
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this.int8 = create_integral_type("int8_t", true)
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this.int16 = create_integral_type("int16_t", true)
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this.int32 = create_integral_type("int32_t", true)
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this.int64 = create_integral_type("int64_t", true)
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return this
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@ -1,4 +1,4 @@
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local rules = {nexid = 1, rules = {}}
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local rules = {nextid = 1, rules = {}}
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function rules.get_rule(name)
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local rule = rules.rules[name]
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@ -27,13 +27,13 @@ end
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function rules.reset(name)
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local rule = rules.get_rule(name)
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rules.set(rule.default)
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rules.set(name, rule.default)
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end
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function rules.listen(name, handler)
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local rule = rules.get_rule(name)
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local id = rules.nexid
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rules.nextid = rules.nexid + 1
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local id = rules.nextid
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rules.nextid = rules.nextid + 1
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rule.listeners[utf8.encode(id)] = handler
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return id
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end
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